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56707122060721 = 11339113577111973
BaseRepresentation
bin11001110010011001001111…
…10111011101110110110001
321102210010222211121101101201
430321030213313131312301
524413042141221420341
6320334520420131201
714641645230321256
oct1471144767356661
9242703884541351
1056707122060721
11170833a0062830
12643a278536b01
1325845c68c1802
1410008d454d42d
1568513807a331
hex339327ddddb1

56707122060721 has 16 divisors (see below), whose sum is σ = 61885668492288. Its totient is φ = 51532470460800.

The previous prime is 56707122060713. The next prime is 56707122060731. The reversal of 56707122060721 is 12706022170765.

It is a cyclic number.

It is not a de Polignac number, because 56707122060721 - 23 = 56707122060713 is a prime.

It is a super-2 number, since 2×567071220607212 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56707122060731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 506379691 + ... + 506491663.

It is an arithmetic number, because the mean of its divisors is an integer number (3867854280768).

Almost surely, 256707122060721 is an apocalyptic number.

It is an amenable number.

56707122060721 is a deficient number, since it is larger than the sum of its proper divisors (5178546431567).

56707122060721 is a wasteful number, since it uses less digits than its factorization.

56707122060721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128952.

The product of its (nonzero) digits is 493920, while the sum is 46.

The spelling of 56707122060721 in words is "fifty-six trillion, seven hundred seven billion, one hundred twenty-two million, sixty thousand, seven hundred twenty-one".

Divisors: 1 11 3391 13577 37301 111973 149347 1231703 46039607 379700443 506435677 1520257421 4176704873 16722831631 5155192914611 56707122060721