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51015212314 = 21117237216859
BaseRepresentation
bin101111100000101111…
…100101110100011010
311212200100010022002221
4233200233211310122
51313434343243224
635234105014254
73454130102263
oct574057456432
9155610108087
1051015212314
111a6a98370a0
129a78a8438a
134a701a5081
14267d4bb96a
1514d8a7d6e4
hexbe0be5d1a

51015212314 has 48 divisors (see below), whose sum is σ = 91075995360. Its totient is φ = 21234735360.

The previous prime is 51015212309. The next prime is 51015212323. The reversal of 51015212314 is 41321251015.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126817 + ... + 343675.

It is an arithmetic number, because the mean of its divisors is an integer number (1897416570).

Almost surely, 251015212314 is an apocalyptic number.

51015212314 is a deficient number, since it is larger than the sum of its proper divisors (40060783046).

51015212314 is a wasteful number, since it uses less digits than its factorization.

51015212314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216943 (or 216926 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 51015212314 its reverse (41321251015), we get a palindrome (92336463329).

The spelling of 51015212314 in words is "fifty-one billion, fifteen million, two hundred twelve thousand, three hundred fourteen".

Divisors: 1 2 11 17 22 34 37 74 187 289 374 407 578 629 814 1258 3179 6358 6919 10693 13838 21386 117623 216859 235246 433718 2385449 3686603 4770898 7373206 8023783 16047566 40552633 62672251 81105266 88261613 125344502 136404311 176523226 272808622 689394761 1378789522 1500447421 2318873287 3000894842 4637746574 25507606157 51015212314