Search a number
-
+
56021654650 = 252131731163543
BaseRepresentation
bin110100001011001001…
…101001110001111010
312100121020121220220011
4310023021221301322
51404213020422100
641422550252134
74022161131133
oct641311516172
9170536556804
1056021654650
1121838844345
12aa3565704a
13538a47b0a0
1429d6378c8a
1516cd358bba
hexd0b269c7a

56021654650 has 96 divisors (see below), whose sum is σ = 122650149888. Its totient is φ = 18840038400.

The previous prime is 56021654617. The next prime is 56021654669. The reversal of 56021654650 is 5645612065.

56021654650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 260779 + ... + 424321.

It is an arithmetic number, because the mean of its divisors is an integer number (1277605728).

Almost surely, 256021654650 is an apocalyptic number.

56021654650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56021654650 is an abundant number, since it is smaller than the sum of its proper divisors (66628495238).

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

56021654650 is a wasteful number, since it uses less digits than its factorization.

56021654650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163616 (or 163611 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 56021654650 in words is "fifty-six billion, twenty-one million, six hundred fifty-four thousand, six hundred fifty".

Divisors: 1 2 5 10 13 17 25 26 31 34 50 62 65 85 130 155 170 221 310 325 403 425 442 527 650 775 806 850 1054 1105 1550 2015 2210 2635 4030 5270 5525 6851 10075 11050 13175 13702 20150 26350 34255 68510 163543 171275 327086 342550 817715 1635430 2126059 2780231 4088575 4252118 5069833 5560462 8177150 10139666 10630295 13901155 21260590 25349165 27802310 36143003 50698330 53151475 65907829 69505775 72286006 86187161 106302950 126745825 131815658 139011550 172374322 180715015 253491650 329539145 361430030 430935805 659078290 861871610 903575075 1120433093 1647695725 1807150150 2154679025 2240866186 3295391450 4309358050 5602165465 11204330930 28010827325 56021654650