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51145604346305 = 5711652791254037
BaseRepresentation
bin10111010000100010000111…
…00101000011000111000001
320201002110202002211212012202
423220101003211003013001
523200432144203040210
6300435544414202545
713526101516614410
oct1350210345030701
9221073662755182
1051145604346305
1115329802321487
1258a043b4b3455
13227001869a341
14c8b6636d9477
155da6341299a5
hex2e84439431c1

51145604346305 has 16 divisors (see below), whose sum is σ = 70142659230720. Its totient is φ = 35071213488192.

The previous prime is 51145604346269. The next prime is 51145604346359. The reversal of 51145604346305 is 50364340654115.

It is not a de Polignac number, because 51145604346305 - 26 = 51145604346241 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 51145604346305.

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, 40157747 + ... + 41411783.

It is an arithmetic number, because the mean of its divisors is an integer number (4383916201920).

Almost surely, 251145604346305 is an apocalyptic number.

It is an amenable number.

51145604346305 is a deficient number, since it is larger than the sum of its proper divisors (18997054884415).

51145604346305 is a wasteful number, since it uses less digits than its factorization.

51145604346305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2419328.

The product of its (nonzero) digits is 2592000, while the sum is 47.

The spelling of 51145604346305 in words is "fifty-one trillion, one hundred forty-five billion, six hundred four million, three hundred forty-six thousand, three hundred five".

Divisors: 1 5 7 35 1165279 1254037 5826395 6270185 8156953 8778259 40784765 43891295 1461302981323 7306514906615 10229120869261 51145604346305