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57147431585 = 531368693107
BaseRepresentation
bin110101001110010000…
…001001101010100001
312110111200222022112012
4311032100021222201
51414014220302320
642130403442305
74062111103466
oct651620115241
9173450868465
1057147431585
1122266265202
12b0aa686395
13550978579a
142aa1aa766d
1517470d24c5
hexd4e409aa1

57147431585 has 8 divisors (see below), whose sum is σ = 70789076736. Its totient is φ = 44243172720.

The previous prime is 57147431519. The next prime is 57147431603. The reversal of 57147431585 is 58513474175.

It is a happy number.

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

It is not a de Polignac number, because 57147431585 - 216 = 57147366049 is a prime.

It is a super-2 number, since 2×571474315852 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184346399 + ... + 184346708.

It is an arithmetic number, because the mean of its divisors is an integer number (8848634592).

Almost surely, 257147431585 is an apocalyptic number.

It is an amenable number.

57147431585 is a deficient number, since it is larger than the sum of its proper divisors (13641645151).

57147431585 is a wasteful number, since it uses less digits than its factorization.

57147431585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368693143.

The product of its digits is 2352000, while the sum is 50.

The spelling of 57147431585 in words is "fifty-seven billion, one hundred forty-seven million, four hundred thirty-one thousand, five hundred eighty-five".

Divisors: 1 5 31 155 368693107 1843465535 11429486317 57147431585