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56980056490 = 2577971021331
BaseRepresentation
bin110101000100010001…
…101010100110101010
312110002001000210001121
4311010101222212222
51413143343301430
642102024205454
74055006326450
oct650421524652
9173061023047
1056980056490
112218a835885
12b06260988a
1354b0bb2176
142a877789d0
15173756ea7a
hexd4446a9aa

56980056490 has 32 divisors (see below), whose sum is σ = 117363302784. Its totient is φ = 19511488320.

The previous prime is 56980056451. The next prime is 56980056491. The reversal of 56980056490 is 9465008965.

It is a super-2 number, since 2×569800564902 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56980056491) 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, 454876 + ... + 566455.

It is an arithmetic number, because the mean of its divisors is an integer number (3667603212).

Almost surely, 256980056490 is an apocalyptic number.

56980056490 is an abundant number, since it is smaller than the sum of its proper divisors (60383246294).

56980056490 is a wasteful number, since it uses less digits than its factorization.

56980056490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022142.

The product of its (nonzero) digits is 2332800, while the sum is 52.

The spelling of 56980056490 in words is "fifty-six billion, nine hundred eighty million, fifty-six thousand, four hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 797 1594 3985 5579 7970 11158 27895 55790 1021331 2042662 5106655 7149317 10213310 14298634 35746585 71493170 814000807 1628001614 4070004035 5698005649 8140008070 11396011298 28490028245 56980056490