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51572675740 = 22541247725391
BaseRepresentation
bin110000000001111110…
…001001010010011100
311221010012002101011111
4300001332021102130
51321110101110430
635405301231404
73504006340135
oct600176112234
9157105071144
1051572675740
111a965481673
129bb3702564
134b2b8296a1
1426d3550c8c
15151c997c2a
hexc01f8949c

51572675740 has 48 divisors (see below), whose sum is σ = 110993307264. Its totient is φ = 20117004800.

The previous prime is 51572675729. The next prime is 51572675767. The reversal of 51572675740 is 4757627515.

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, 2018445 + ... + 2043835.

It is an arithmetic number, because the mean of its divisors is an integer number (2312360568).

Almost surely, 251572675740 is an apocalyptic number.

It is an amenable number.

51572675740 is an abundant number, since it is smaller than the sum of its proper divisors (59420631524).

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

51572675740 is a wasteful number, since it uses less digits than its factorization.

51572675740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27918 (or 27916 counting only the distinct ones).

The product of its (nonzero) digits is 2058000, while the sum is 49.

The spelling of 51572675740 in words is "fifty-one billion, five hundred seventy-two million, six hundred seventy-five thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 820 2477 4954 9908 12385 24770 25391 49540 50782 101557 101564 126955 203114 253910 406228 507785 507820 1015570 1041031 2031140 2082062 4164124 5205155 10410310 20820620 62893507 125787014 251574028 314467535 628935070 1257870140 2578633787 5157267574 10314535148 12893168935 25786337870 51572675740