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56976683880 = 23351743649529
BaseRepresentation
bin110101000100000100…
…110011001101101000
312110001210200102201010
4311010010303031220
51413142012341010
642101424023520
74054635551664
oct650404631550
9173053612633
1056976683880
11221889419a6
12b061461ba0
1354b02a103c
142a8713b8a4
151737105620
hexd44133368

56976683880 has 128 divisors (see below), whose sum is σ = 185193993600. Its totient is φ = 13967450112.

The previous prime is 56976683879. The next prime is 56976683891. The reversal of 56976683880 is 8838667965.

It is a happy number.

It is a super-2 number, since 2×569766838802 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 237045 + ... + 412484.

It is an arithmetic number, because the mean of its divisors is an integer number (1446828075).

Almost surely, 256976683880 is an apocalyptic number.

It is an amenable number.

56976683880 is an abundant number, since it is smaller than the sum of its proper divisors (128217309720).

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

56976683880 is a wasteful number, since it uses less digits than its factorization.

56976683880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649603 (or 649599 counting only the distinct ones).

The product of its (nonzero) digits is 104509440, while the sum is 66.

The spelling of 56976683880 in words is "fifty-six billion, nine hundred seventy-six million, six hundred eighty-three thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 17 20 24 30 34 40 43 51 60 68 85 86 102 120 129 136 170 172 204 215 255 258 340 344 408 430 510 516 645 680 731 860 1020 1032 1290 1462 1720 2040 2193 2580 2924 3655 4386 5160 5848 7310 8772 10965 14620 17544 21930 29240 43860 87720 649529 1299058 1948587 2598116 3247645 3897174 5196232 6495290 7794348 9742935 11041993 12990580 15588696 19485870 22083986 25981160 27929747 33125979 38971740 44167972 55209965 55859494 66251958 77943480 83789241 88335944 110419930 111718988 132503916 139648735 165629895 167578482 220839860 223437976 265007832 279297470 331259790 335156964 418946205 441679720 474805699 558594940 662519580 670313928 837892410 949611398 1117189880 1325039160 1424417097 1675784820 1899222796 2374028495 2848834194 3351569640 3798445592 4748056990 5697668388 7122085485 9496113980 11395336776 14244170970 18992227960 28488341940 56976683880