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51550010565160 = 2357489172085761
BaseRepresentation
bin10111011100010011011000…
…00100010110001000101000
320202112010120212111100011111
423232021230010112020220
523224043410201041120
6301345425315040104
713600236214014502
oct1356115404261050
9222463525440144
1051550010565160
1115475267070268
1259468a22a0034
13229c1b6b38173
14ca3068b54d72
155e5e0278975a
hex2ee26c116228

51550010565160 has 32 divisors (see below), whose sum is σ = 116003012164200. Its totient is φ = 20617250734080.

The previous prime is 51550010565149. The next prime is 51550010565187. The reversal of 51550010565160 is 6156501005515.

It can be written as a sum of positive squares in 4 ways, for example, as 45843922222596 + 5706088342564 = 6770814^2 + 2388742^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85743321 + ... + 86342440.

Almost surely, 251550010565160 is an apocalyptic number.

It is an amenable number.

51550010565160 is an abundant number, since it is smaller than the sum of its proper divisors (64453001599040).

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

51550010565160 is a wasteful number, since it uses less digits than its factorization.

51550010565160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172093261 (or 172093257 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 40.

The spelling of 51550010565160 in words is "fifty-one trillion, five hundred fifty billion, ten million, five hundred sixty-five thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 7489 14978 29956 37445 59912 74890 149780 299560 172085761 344171522 688343044 860428805 1376686088 1720857610 3441715220 6883430440 1288750264129 2577500528258 5155001056516 6443751320645 10310002113032 12887502641290 25775005282580 51550010565160