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57035271916 = 22759179192877
BaseRepresentation
bin110101000111100100…
…010010111011101100
312110012212221000101101
4311013210102323230
51413302012200131
642111315452444
74056246545410
oct650744227354
9173185830341
1057035271916
1122208a18a67
12b078bb7124
1354bc47540c
142a90c2cd40
15173c329c61
hexd47912eec

57035271916 has 48 divisors (see below), whose sum is σ = 116652614400. Its totient is φ = 23895021888.

The previous prime is 57035271907. The next prime is 57035271947. The reversal of 57035271916 is 61917253075.

It is a happy number.

It is a super-2 number, since 2×570352719162 (a number of 22 digits) contains 22 as substring.

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, 199270 + ... + 392146.

It is an arithmetic number, because the mean of its divisors is an integer number (2430262800).

Almost surely, 257035271916 is an apocalyptic number.

It is an amenable number.

57035271916 is an abundant number, since it is smaller than the sum of its proper divisors (59617342484).

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

57035271916 is a wasteful number, since it uses less digits than its factorization.

57035271916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193126 (or 193124 counting only the distinct ones).

The product of its (nonzero) digits is 396900, while the sum is 46.

The spelling of 57035271916 in words is "fifty-seven billion, thirty-five million, two hundred seventy-one thousand, nine hundred sixteen".

Divisors: 1 2 4 7 14 28 59 118 179 236 358 413 716 826 1253 1652 2506 5012 10561 21122 42244 73927 147854 192877 295708 385754 771508 1350139 2700278 5400556 11379743 22759486 34524983 45518972 69049966 79658201 138099932 159316402 241674881 318632804 483349762 966699524 2036973997 4073947994 8147895988 14258817979 28517635958 57035271916