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57432401812 = 22374779104513
BaseRepresentation
bin110101011111001111…
…001110011110010100
312111020120012022012001
4311133033032132110
51420110143324222
642214543405044
74102141234462
oct653717163624
9174216168161
1057432401812
11223a2103595
12b169bb3784
135553820516
142acb887832
151762122e27
hexd5f3ce794

57432401812 has 48 divisors (see below), whose sum is σ = 106754780160. Its totient is φ = 26999212032.

The previous prime is 57432401783. The next prime is 57432401839. The reversal of 57432401812 is 21810423475.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 497268 + ... + 601780.

It is an arithmetic number, because the mean of its divisors is an integer number (2224057920).

Almost surely, 257432401812 is an apocalyptic number.

It is an amenable number.

57432401812 is a deficient number, since it is larger than the sum of its proper divisors (49322378348).

57432401812 is a wasteful number, since it uses less digits than its factorization.

57432401812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104680 (or 104678 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The spelling of 57432401812 in words is "fifty-seven billion, four hundred thirty-two million, four hundred one thousand, eight hundred twelve".

Divisors: 1 2 4 37 47 74 79 94 148 158 188 316 1739 2923 3478 3713 5846 6956 7426 11692 14852 104513 137381 209026 274762 418052 549524 3866981 4912111 7733962 8256527 9824222 15467924 16513054 19648444 33026108 181748107 305491499 363496214 388056769 610982998 726992428 776113538 1221965996 1552227076 14358100453 28716200906 57432401812