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57133663215 = 3519723382981
BaseRepresentation
bin110101001101011011…
…101000001111101111
312110110202001210212120
4311031123220033233
51414002204210330
642125152404023
74061553060456
oct651533501757
9173422053776
1057133663215
1122259510892
12b0a5b46613
135506974915
142a9dd21b9d
151745cb2c10
hexd4d6e83ef

57133663215 has 32 divisors (see below), whose sum is σ = 92273328576. Its totient is φ = 30186132480.

The previous prime is 57133663201. The next prime is 57133663241. The reversal of 57133663215 is 51236633175.

It is not a de Polignac number, because 57133663215 - 212 = 57133659119 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 647025 + ... + 730005.

It is an arithmetic number, because the mean of its divisors is an integer number (2883541518).

Almost surely, 257133663215 is an apocalyptic number.

57133663215 is a deficient number, since it is larger than the sum of its proper divisors (35139665361).

57133663215 is a wasteful number, since it uses less digits than its factorization.

57133663215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83419.

The product of its digits is 340200, while the sum is 42.

The spelling of 57133663215 in words is "fifty-seven billion, one hundred thirty-three million, six hundred sixty-three thousand, two hundred fifteen".

Divisors: 1 3 5 15 197 233 591 699 985 1165 2955 3495 45901 82981 137703 229505 248943 414905 688515 1244715 16347257 19334573 49041771 58003719 81736285 96672865 245208855 290018595 3808910881 11426732643 19044554405 57133663215