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121545340332 = 223133472245351
BaseRepresentation
bin111000100110010101…
…0101011010110101100
3102121201201000000220120
41301030222223112230
53442411101342312
6131500454244540
711532002226543
oct1611452532654
9377651000816
10121545340332
11476021a3199
121b681356750
13b6003c2b30
145c5068d15a
1532659a928c
hex1c4caab5ac

121545340332 has 48 divisors (see below), whose sum is σ = 306301938432. Its totient is φ = 37290772800.

The previous prime is 121545340321. The next prime is 121545340369. The reversal of 121545340332 is 233043545121.

It is a junction number, because it is equal to n+sod(n) for n = 121545340293 and 121545340302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1068544 + ... + 1176807.

It is an arithmetic number, because the mean of its divisors is an integer number (6381290384).

Almost surely, 2121545340332 is an apocalyptic number.

121545340332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121545340332 is an abundant number, since it is smaller than the sum of its proper divisors (184756598100).

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

121545340332 is a wasteful number, since it uses less digits than its factorization.

121545340332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2245718 (or 2245716 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 121545340332 its reverse (233043545121), we get a palindrome (354588885453).

The spelling of 121545340332 in words is "one hundred twenty-one billion, five hundred forty-five million, three hundred forty thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 347 694 1041 1388 2082 4164 4511 9022 13533 18044 27066 54132 2245351 4490702 6736053 8981404 13472106 26944212 29189563 58379126 87568689 116758252 175137378 350274756 779136797 1558273594 2337410391 3116547188 4674820782 9349641564 10128778361 20257556722 30386335083 40515113444 60772670166 121545340332