Search a number
-
+
51053131408 = 2459151358157
BaseRepresentation
bin101111100011000000…
…001111011010010000
311212202222110210022211
4233203000033122100
51314024100201113
635241541441504
73455100312466
oct574300173220
9155688423284
1051053131408
111a719186294
129a89710294
134a77cc06c6
14268454c836
1514dc06db3d
hexbe300f690

51053131408 has 40 divisors (see below), whose sum is σ = 101258429760. Its totient is φ = 24927657600.

The previous prime is 51053131343. The next prime is 51053131439. The reversal of 51053131408 is 80413135015.

It is a self number, because there is not a number n which added to its sum of digits gives 51053131408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36535 + ... + 321622.

It is an arithmetic number, because the mean of its divisors is an integer number (2531460744).

Almost surely, 251053131408 is an apocalyptic number.

It is an amenable number.

51053131408 is a deficient number, since it is larger than the sum of its proper divisors (50205298352).

51053131408 is a wasteful number, since it uses less digits than its factorization.

51053131408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358375 (or 358369 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 51053131408 in words is "fifty-one billion, fifty-three million, one hundred thirty-one thousand, four hundred eight".

Divisors: 1 2 4 8 16 59 118 151 236 302 472 604 944 1208 2416 8909 17818 35636 71272 142544 358157 716314 1432628 2865256 5730512 21131263 42262526 54081707 84525052 108163414 169050104 216326828 338100208 432653656 865307312 3190820713 6381641426 12763282852 25526565704 51053131408