Base | Representation |
---|---|
bin | 110100100110101100011110… |
… | …111101001000011011001010 |
3 | 1010100011120012112201221120000 |
4 | 310212230132331020123022 |
5 | 220311030201301103102 |
6 | 2140020102330543430 |
7 | 66506013042245424 |
oct | 6446543675103312 |
9 | 1110146175657500 |
10 | 231357522675402 |
11 | 677991a1087a52 |
12 | 21b4677a297b76 |
13 | 9c12bc7c323a6 |
14 | 411ba99dc1814 |
15 | 1bb3217c9401c |
hex | d26b1ef486ca |
231357522675402 has 80 divisors (see below), whose sum is σ = 547099903864800. Its totient is φ = 72872454336480.
The previous prime is 231357522675401. The next prime is 231357522675407. The reversal of 231357522675402 is 204576225753132.
231357522675402 is a `hidden beast` number, since 2 + 3 + 1 + 3 + 5 + 7 + 5 + 226 + 7 + 5 + 402 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is not an unprimeable number, because it can be changed into a prime (231357522675401) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 95415624 + ... + 97810307.
It is an arithmetic number, because the mean of its divisors is an integer number (6838748798310).
Almost surely, 2231357522675402 is an apocalyptic number.
231357522675402 is an abundant number, since it is smaller than the sum of its proper divisors (315742381189398).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231357522675402 is a wasteful number, since it uses less digits than its factorization.
231357522675402 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 193226353 (or 193226344 counting only the distinct ones).
The product of its (nonzero) digits is 21168000, while the sum is 54.
The spelling of 231357522675402 in words is "two hundred thirty-one trillion, three hundred fifty-seven billion, five hundred twenty-two million, six hundred seventy-five thousand, four hundred two".
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