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51421115306 = 21123310031431
BaseRepresentation
bin101111111000111011…
…111111001110101010
311220201121220022100002
4233320323333032222
51320302301142211
635342244543002
73500156161031
oct577073771652
9156647808302
1051421115306
111a897974010
129b709b1a62
134b06302462
1426bb37b718
15150e50b03b
hexbf8eff3aa

51421115306 has 16 divisors (see below), whose sum is σ = 84504783168. Its totient is φ = 23272917600.

The previous prime is 51421115281. The next prime is 51421115357. The reversal of 51421115306 is 60351112415.

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, 5010590 + ... + 5020841.

It is an arithmetic number, because the mean of its divisors is an integer number (5281548948).

Almost surely, 251421115306 is an apocalyptic number.

51421115306 is a deficient number, since it is larger than the sum of its proper divisors (33083667862).

51421115306 is a wasteful number, since it uses less digits than its factorization.

51421115306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10031677.

The product of its (nonzero) digits is 3600, while the sum is 29.

The spelling of 51421115306 in words is "fifty-one billion, four hundred twenty-one million, one hundred fifteen thousand, three hundred six".

Divisors: 1 2 11 22 233 466 2563 5126 10031431 20062862 110345741 220691482 2337323423 4674646846 25710557653 51421115306