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51143034222 = 23271392920123
BaseRepresentation
bin101111101000010111…
…001100010101101110
311220000020122022210200
4233220113030111232
51314220104043342
635254512414330
73460241422020
oct575027142556
9156006568720
1051143034222
111a764a00635
129ab38473a6
134a9080a337
142692472010
1514e4dcb94c
hexbe85cc56e

51143034222 has 48 divisors (see below), whose sum is σ = 127551016320. Its totient is φ = 14507166096.

The previous prime is 51143034197. The next prime is 51143034247. The reversal of 51143034222 is 22243034115.

51143034222 is a `hidden beast` number, since 5 + 1 + 1 + 430 + 3 + 4 + 222 = 666.

It is an interprime number because it is at equal distance from previous prime (51143034197) and next prime (51143034247).

It is a congruent number.

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, 1442548 + ... + 1477575.

It is an arithmetic number, because the mean of its divisors is an integer number (2657312840).

Almost surely, 251143034222 is an apocalyptic number.

51143034222 is an abundant number, since it is smaller than the sum of its proper divisors (76407982098).

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

51143034222 is a wasteful number, since it uses less digits than its factorization.

51143034222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2920277 (or 2920274 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 51143034222 its reverse (22243034115), we get a palindrome (73386068337).

The spelling of 51143034222 in words is "fifty-one billion, one hundred forty-three million, thirty-four thousand, two hundred twenty-two".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 139 278 417 834 973 1251 1946 2502 2919 5838 8757 17514 2920123 5840246 8760369 17520738 20440861 26281107 40881722 52562214 61322583 122645166 183967749 367935498 405897097 811794194 1217691291 2435382582 2841279679 3653073873 5682559358 7306147746 8523839037 17047678074 25571517111 51143034222