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203692431108 = 223831388314731
BaseRepresentation
bin1011110110110100000…
…0111101011100000100
3201110202200020121202010
42331231000331130010
511314130230243413
6233324111414220
720500455045165
oct2755500753404
9643680217663
10203692431108
1179427081361
1233588224370
13162922c295a
149c0465176c
1554726e2dc3
hex2f6d03d704

203692431108 has 48 divisors (see below), whose sum is σ = 481075934976. Its totient is φ = 67070050080.

The previous prime is 203692431071. The next prime is 203692431109. The reversal of 203692431108 is 801134296302.

203692431108 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2036924311082 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (203692431109) by changing a digit.

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, 13820103 + ... + 13834833.

It is an arithmetic number, because the mean of its divisors is an integer number (10022415312).

Almost surely, 2203692431108 is an apocalyptic number.

It is an amenable number.

203692431108 is an abundant number, since it is smaller than the sum of its proper divisors (277383503868).

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

203692431108 is a wasteful number, since it uses less digits than its factorization.

203692431108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28704 (or 28702 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The spelling of 203692431108 in words is "two hundred three billion, six hundred ninety-two million, four hundred thirty-one thousand, one hundred eight".

Divisors: 1 2 3 4 6 12 83 166 249 332 498 996 13883 14731 27766 29462 41649 44193 55532 58924 83298 88386 166596 176772 1152289 1222673 2304578 2445346 3456867 3668019 4609156 4890692 6913734 7336038 13827468 14672076 204510473 409020946 613531419 818041892 1227062838 2454125676 16974369259 33948738518 50923107777 67897477036 101846215554 203692431108