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51232794268 = 2241419745573
BaseRepresentation
bin101111101101101101…
…100110011010011100
311220020111112121102211
4233231231212122130
51314411043404033
635311440330204
73462411365065
oct575555463234
9156214477384
1051232794268
111a800638697
129b19913964
134aa62a6ca6
1426a035956c
1514ecc0c2cd
hexbedb6669c

51232794268 has 24 divisors (see below), whose sum is σ = 92063477520. Its totient is φ = 24931927680.

The previous prime is 51232794241. The next prime is 51232794269. The reversal of 51232794268 is 86249723215.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51232794269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304071 + ... + 441502.

It is an arithmetic number, because the mean of its divisors is an integer number (3835978230).

Almost surely, 251232794268 is an apocalyptic number.

It is an amenable number.

51232794268 is a deficient number, since it is larger than the sum of its proper divisors (40830683252).

51232794268 is a wasteful number, since it uses less digits than its factorization.

51232794268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746037 (or 746035 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 49.

The spelling of 51232794268 in words is "fifty-one billion, two hundred thirty-two million, seven hundred ninety-four thousand, two hundred sixty-eight".

Divisors: 1 2 4 41 82 164 419 838 1676 17179 34358 68716 745573 1491146 2982292 30568493 61136986 122273972 312395087 624790174 1249580348 12808198567 25616397134 51232794268