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57477353912 = 231110125432
BaseRepresentation
bin110101100001111010…
…101101000110111000
312111100200210002212122
4311201322231012320
51420203200311122
642223231100412
74103225306246
oct654172550670
9174320702778
1057477353912
1122415516790
12b181071708
13555cc2c0b4
142ad3829796
151766052142
hexd61ead1b8

57477353912 has 48 divisors (see below), whose sum is σ = 118778055480. Its totient is φ = 25857224000.

The previous prime is 57477353911. The next prime is 57477353951. The reversal of 57477353912 is 21935377475.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57477353911) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 22600913 + ... + 22603455.

Almost surely, 257477353912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57477353912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59389027740).

57477353912 is an abundant number, since it is smaller than the sum of its proper divisors (61300701568).

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

57477353912 is a wasteful number, since it uses less digits than its factorization.

57477353912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5204 (or 2657 counting only the distinct ones).

The product of its digits is 5556600, while the sum is 53.

The spelling of 57477353912 in words is "fifty-seven billion, four hundred seventy-seven million, three hundred fifty-three thousand, nine hundred twelve".

Divisors: 1 2 4 8 11 22 44 88 101 202 404 808 1111 2222 2543 4444 5086 8888 10172 20344 27973 55946 111892 223784 256843 513686 1027372 2054744 2825273 5650546 6466849 11301092 12933698 22602184 25867396 51734792 71135339 142270678 284541356 569082712 653151749 1306303498 2612606996 5225213992 7184669239 14369338478 28738676956 57477353912