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57680047316 = 221919919331973
BaseRepresentation
bin110101101101111111…
…111010110011010100
312111212211011222221202
4311231333322303110
51421112043003231
642255311332032
74111236212153
oct655577726324
9174784158852
1057680047316
11225099792a1
12b218b21018
135592c1a318
142b1270d59a
151778c3e5cb
hexd6dffacd4

57680047316 has 48 divisors (see below), whose sum is σ = 106896048000. Its totient is φ = 27156995712.

The previous prime is 57680047273. The next prime is 57680047349. The reversal of 57680047316 is 61374008675.

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, 29233706 + ... + 29235678.

It is an arithmetic number, because the mean of its divisors is an integer number (2227001000).

Almost surely, 257680047316 is an apocalyptic number.

It is an amenable number.

57680047316 is a deficient number, since it is larger than the sum of its proper divisors (49216000684).

57680047316 is a wasteful number, since it uses less digits than its factorization.

57680047316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4128 (or 4126 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 57680047316 in words is "fifty-seven billion, six hundred eighty million, forty-seven thousand, three hundred sixteen".

Divisors: 1 2 4 19 38 76 199 398 796 1933 1973 3781 3866 3946 7562 7732 7892 15124 36727 37487 73454 74974 146908 149948 384667 392627 769334 785254 1538668 1570508 3813809 7308673 7459913 7627618 14617346 14919826 15255236 29234692 29839652 72462371 144924742 289849484 758947991 1517895982 3035791964 14420011829 28840023658 57680047316