Base | Representation |
---|---|
bin | 11101111110111110001… |
… | …01110111010100110000 |
3 | 10122111020012101122011102 |
4 | 32333133011313110300 |
5 | 113334412422241430 |
6 | 2105141415303532 |
7 | 134301210565445 |
oct | 16773705672460 |
9 | 3574205348142 |
10 | 1030240040240 |
11 | 367a1670a794 |
12 | 14780137aba8 |
13 | 761c72c6b88 |
14 | 37c146d79cc |
15 | 1bbeb4a8345 |
hex | efdf177530 |
1030240040240 has 40 divisors (see below), whose sum is σ = 2396196075600. Its totient is φ = 411943245056.
The previous prime is 1030240040233. The next prime is 1030240040257. The reversal of 1030240040240 is 420400420301.
It is a tau number, because it is divible by the number of its divisors (40).
It is a super-2 number, since 2×10302400402402 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2169779 + ... + 2601618.
It is an arithmetic number, because the mean of its divisors is an integer number (59904901890).
Almost surely, 21030240040240 is an apocalyptic number.
1030240040240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1030240040240 is an abundant number, since it is smaller than the sum of its proper divisors (1365956035360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1030240040240 is a wasteful number, since it uses less digits than its factorization.
1030240040240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4774109 (or 4774103 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 20.
Adding to 1030240040240 its reverse (420400420301), we get a palindrome (1450640460541).
The spelling of 1030240040240 in words is "one trillion, thirty billion, two hundred forty million, forty thousand, two hundred forty".
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