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57503742772 = 22759291711933
BaseRepresentation
bin110101100011011111…
…010111101100110100
312111102112102210120211
4311203133113230310
51420231424232042
642230012435204
74103665514560
oct654337275464
9174375383524
1057503742772
1122429400063
12b189a78b04
13556553b4c8
142ad71386a0
151768516017
hexd637d7b34

57503742772 has 48 divisors (see below), whose sum is σ = 117006664320. Its totient is φ = 24216423552.

The previous prime is 57503742761. The next prime is 57503742781. The reversal of 57503742772 is 27724730575.

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, 4812918 + ... + 4824850.

It is an arithmetic number, because the mean of its divisors is an integer number (2437638840).

Almost surely, 257503742772 is an apocalyptic number.

It is an amenable number.

57503742772 is an abundant number, since it is smaller than the sum of its proper divisors (59502921548).

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

57503742772 is a wasteful number, since it uses less digits than its factorization.

57503742772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14920 (or 14918 counting only the distinct ones).

The product of its (nonzero) digits is 2881200, while the sum is 49.

The spelling of 57503742772 in words is "fifty-seven billion, five hundred three million, seven hundred forty-two thousand, seven hundred seventy-two".

Divisors: 1 2 4 7 14 28 59 118 236 413 826 1652 2917 5834 11668 11933 20419 23866 40838 47732 81676 83531 167062 172103 334124 344206 688412 704047 1204721 1408094 2409442 2816188 4818884 4928329 9856658 19713316 34808561 69617122 139234244 243659927 487319854 974639708 2053705099 4107410198 8214820396 14375935693 28751871386 57503742772