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56501606060 = 225195916315461
BaseRepresentation
bin110100100111110000…
…100001011010101100
312101211200201222110022
4310213300201122230
51411203402343220
641542333301312
74040106504314
oct644760413254
9171750658408
1056501606060
1121a647579a9
12ab4a334838
135435a338c3
142a3ddd2444
15170a561925
hexd27c216ac

56501606060 has 96 divisors (see below), whose sum is σ = 127802707200. Its totient is φ = 20917751040.

The previous prime is 56501606059. The next prime is 56501606081. The reversal of 56501606060 is 6060610565.

It is a self number, because there is not a number n which added to its sum of digits gives 56501606060.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3646730 + ... + 3662190.

It is an arithmetic number, because the mean of its divisors is an integer number (1331278200).

Almost surely, 256501606060 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56501606060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63901353600).

56501606060 is an abundant number, since it is smaller than the sum of its proper divisors (71301101140).

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

56501606060 is a wasteful number, since it uses less digits than its factorization.

56501606060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15711 (or 15709 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

The spelling of 56501606060 in words is "fifty-six billion, five hundred one million, six hundred six thousand, sixty".

Divisors: 1 2 4 5 10 19 20 38 59 76 95 118 163 190 236 295 326 380 590 652 815 1121 1180 1630 2242 3097 3260 4484 5605 6194 9617 11210 12388 15461 15485 19234 22420 30922 30970 38468 48085 61844 61940 77305 96170 154610 182723 192340 293759 309220 365446 587518 730892 912199 913615 1175036 1468795 1824398 1827230 2520143 2937590 3648796 3654460 4560995 5040286 5875180 9121990 10080572 12600715 17331781 18243980 25201430 34663562 47882717 50402860 69327124 86658905 95765434 148688437 173317810 191530868 239413585 297376874 346635620 478827170 594753748 743442185 957654340 1486884370 2825080303 2973768740 5650160606 11300321212 14125401515 28250803030 56501606060