Base | Representation |
---|---|
bin | 11011101001100111110101… |
… | …101010011110000101001111 |
3 | 120221120120021220012202221200 |
4 | 123221213311222132011033 |
5 | 111414404210313242311 |
6 | 1110345421152400543 |
7 | 34420565654643420 |
oct | 3351476552360517 |
9 | 527516256182850 |
10 | 121607530602831 |
11 | 358255117a5aa9 |
12 | 1178042bb46153 |
13 | 52b1705567200 |
14 | 2205b9b957647 |
15 | e0d456e14556 |
hex | 6e99f5a9e14f |
121607530602831 has 36 divisors (see below), whose sum is σ = 217379029081968. Its totient is φ = 64144631521152.
The previous prime is 121607530602781. The next prime is 121607530602847. The reversal of 121607530602831 is 138206035706121.
It is a happy number.
121607530602831 is a `hidden beast` number, since 1 + 2 + 1 + 6 + 0 + 7 + 5 + 3 + 0 + 602 + 8 + 31 = 666.
It is not a de Polignac number, because 121607530602831 - 215 = 121607530570063 is a prime.
It is a super-2 number, since 2×1216075306028312 (a number of 29 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121607530602631) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5710871790 + ... + 5710893083.
It is an arithmetic number, because the mean of its divisors is an integer number (6038306363388).
Almost surely, 2121607530602831 is an apocalyptic number.
121607530602831 is a deficient number, since it is larger than the sum of its proper divisors (95771498479137).
121607530602831 is a wasteful number, since it uses less digits than its factorization.
121607530602831 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11421764912 (or 11421764896 counting only the distinct ones).
The product of its (nonzero) digits is 362880, while the sum is 45.
The spelling of 121607530602831 in words is "one hundred twenty-one trillion, six hundred seven billion, five hundred thirty million, six hundred two thousand, eight hundred thirty-one".
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