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51333870896 = 24711109382267
BaseRepresentation
bin101111110011101111…
…001011010100110000
311220111112201211111122
4233303233023110300
51320112432332041
635325451001412
73465046463120
oct576357132460
9156445654448
1051333870896
111a8526a4aa0
129b47739268
134ac1206849
1426ad94ac80
151506a25c4b
hexbf3bcb530

51333870896 has 80 divisors (see below), whose sum is σ = 125139252480. Its totient is φ = 19816669440.

The previous prime is 51333870877. The next prime is 51333870941. The reversal of 51333870896 is 69807833315.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56846 + ... + 325421.

It is an arithmetic number, because the mean of its divisors is an integer number (1564240656).

Almost surely, 251333870896 is an apocalyptic number.

51333870896 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

51333870896 is an abundant number, since it is smaller than the sum of its proper divisors (73805381584).

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

51333870896 is a wasteful number, since it uses less digits than its factorization.

51333870896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382402 (or 382396 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 53.

It can be divided in two parts, 51333 and 870896, that added together give a palindrome (922229).

The spelling of 51333870896 in words is "fifty-one billion, three hundred thirty-three million, eight hundred seventy thousand, eight hundred ninety-six".

Divisors: 1 2 4 7 8 11 14 16 22 28 44 56 77 88 109 112 154 176 218 308 436 616 763 872 1199 1232 1526 1744 2398 3052 4796 6104 8393 9592 12208 16786 19184 33572 67144 134288 382267 764534 1529068 2675869 3058136 4204937 5351738 6116272 8409874 10703476 16819748 21406952 29434559 33639496 41667103 42813904 58869118 67278992 83334206 117738236 166668412 235476472 291669721 333336824 458338133 470952944 583339442 666673648 916676266 1166678884 1833352532 2333357768 3208366931 3666705064 4666715536 6416733862 7333410128 12833467724 25666935448 51333870896