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202631365842 = 23791034150411
BaseRepresentation
bin1011110010110111000…
…1010100010011010010
3201101000201122220211120
42330231301110103102
511304442112201332
6233030525223110
720432252122353
oct2745561242322
9641021586746
10202631365842
1178a3213a314
1233330a01a96
1316153524999
149b43769d2a
15540e49d32c
hex2f2dc544d2

202631365842 has 32 divisors (see below), whose sum is σ = 414377134080. Its totient is φ = 66041323920.

The previous prime is 202631365817. The next prime is 202631365877. The reversal of 202631365842 is 248563136202.

It is a happy number.

202631365842 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 202631365794 and 202631365803.

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, 2026384 + ... + 2124027.

It is an arithmetic number, because the mean of its divisors is an integer number (12949285440).

Almost surely, 2202631365842 is an apocalyptic number.

202631365842 is an abundant number, since it is smaller than the sum of its proper divisors (211745768238).

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

202631365842 is a wasteful number, since it uses less digits than its factorization.

202631365842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4150598.

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 202631365842 in words is "two hundred two billion, six hundred thirty-one million, three hundred sixty-five thousand, eight hundred forty-two".

Divisors: 1 2 3 6 79 103 158 206 237 309 474 618 8137 16274 24411 48822 4150411 8300822 12451233 24902466 327882469 427492333 655764938 854984666 983647407 1282476999 1967294814 2564953998 33771894307 67543788614 101315682921 202631365842