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121043344444340 = 225171636413407347
BaseRepresentation
bin11011100001011010011001…
…100011000100101110110100
3120212120122000210102101001212
4123201122121203010232310
5111331133232134204330
61105234313401140552
734332043625504453
oct3341323143045664
9525518023371055
10121043344444340
113562821538872a
12116ab01718a758
13527045261b7c6
1421c6759d0cb9a
15ded9362d5295
hex6e16998c4bb4

121043344444340 has 96 divisors (see below), whose sum is σ = 271217159305344. Its totient is φ = 45219025059840.

The previous prime is 121043344444333. The next prime is 121043344444387. The reversal of 121043344444340 is 43444443340121.

121043344444340 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1210433444443402 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33820547 + ... + 37227893.

It is an arithmetic number, because the mean of its divisors is an integer number (2825178742764).

Almost surely, 2121043344444340 is an apocalyptic number.

121043344444340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121043344444340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135608579652672).

121043344444340 is an abundant number, since it is smaller than the sum of its proper divisors (150173814861004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121043344444340 is a wasteful number, since it uses less digits than its factorization.

121043344444340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3408177 (or 3408175 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 41.

Adding to 121043344444340 its reverse (43444443340121), we get a palindrome (164487787784461).

The spelling of 121043344444340 in words is "one hundred twenty-one trillion, forty-three billion, three hundred forty-four million, four hundred forty-four thousand, three hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 85 163 170 326 340 641 652 815 1282 1630 2564 2771 3205 3260 5542 6410 10897 11084 12820 13855 21794 27710 43588 54485 55420 104483 108970 208966 217940 417932 522415 1044830 1776211 2089660 3407347 3552422 6814694 7104844 8881055 13629388 17036735 17762110 34073470 35524220 57924899 68146940 115849798 231699596 289624495 555397561 579248990 1110795122 1158497980 2184109427 2221590244 2776987805 4368218854 5553975610 8736437708 9441758537 10920547135 11107951220 18883517074 21841094270 37129860259 37767034148 43682188540 47208792685 74259720518 94417585370 148519441036 185649301295 188835170740 356009836601 371298602590 712019673202 742597205180 1424039346404 1780049183005 3560098366010 6052167222217 7120196732020 12104334444434 24208668888868 30260836111085 60521672222170 121043344444340