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57090063066 = 239515010511
BaseRepresentation
bin110101001010110101…
…010011101011011010
312110100201000200201020
4311022311103223122
51413410024004231
642120554103310
74060513346361
oct651265235332
9173321020636
1057090063066
1122236941403
12b09341ab36
1354ca91a50a
142a982127d8
15174204e396
hexd4ad53ada

57090063066 has 8 divisors (see below), whose sum is σ = 114180126144. Its totient is φ = 19030021020.

The previous prime is 57090062987. The next prime is 57090063067. The reversal of 57090063066 is 66036009075.

It is a sphenic number, since it is the product of 3 distinct primes.

57090063066 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (57090063067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4757505250 + ... + 4757505261.

It is an arithmetic number, because the mean of its divisors is an integer number (14272515768).

Almost surely, 257090063066 is an apocalyptic number.

57090063066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

57090063066 is a wasteful number, since it uses less digits than its factorization.

57090063066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9515010516.

The product of its (nonzero) digits is 204120, while the sum is 42.

The spelling of 57090063066 in words is "fifty-seven billion, ninety million, sixty-three thousand, sixty-six".

Divisors: 1 2 3 6 9515010511 19030021022 28545031533 57090063066