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231382875059 = 72131178920149
BaseRepresentation
bin1101011101111101111…
…1100111101110110011
3211010020110200220211022
43113133133213232303
512242333004000214
6254143522010055
722500611662400
oct3273737475663
9733213626738
10231382875059
118a146667786
1238a157a692b
1318a8604812b
14b2b00612a7
1560436add8e
hex35df7e7bb3

231382875059 has 24 divisors (see below), whose sum is σ = 271379394000. Its totient is φ = 196694447040.

The previous prime is 231382874993. The next prime is 231382875077. The reversal of 231382875059 is 950578283132.

It is not a de Polignac number, because 231382875059 - 212 = 231382870963 is a prime.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231382875059.

It is not an unprimeable number, because it can be changed into a prime (231382875079) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11473517 + ... + 11493665.

It is an arithmetic number, because the mean of its divisors is an integer number (11307474750).

Almost surely, 2231382875059 is an apocalyptic number.

231382875059 is a deficient number, since it is larger than the sum of its proper divisors (39996518941).

231382875059 is a wasteful number, since it uses less digits than its factorization.

231382875059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22083 (or 22076 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 53.

The spelling of 231382875059 in words is "two hundred thirty-one billion, three hundred eighty-two million, eight hundred seventy-five thousand, fifty-nine".

Divisors: 1 7 49 131 917 1789 6419 12523 20149 87661 141043 234359 987301 1640513 2639519 11483591 18476633 36046561 129336431 252325927 1766281489 4722099491 33054696437 231382875059