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51152244132 = 22311619762533
BaseRepresentation
bin101111101000111010…
…010100110110100100
311220000212222020102110
4233220322110312210
51314224433303012
635255442041020
73460412621043
oct575072246644
9156025866373
1051152244132
111a76a121130
129ab6949170
134a926b33a2
14269378c55a
1514e5aea73c
hexbe8e94da4

51152244132 has 48 divisors (see below), whose sum is σ = 130228805952. Its totient is φ = 15497930880.

The previous prime is 51152244113. The next prime is 51152244179. The reversal of 51152244132 is 23144225115.

It is a self number, because there is not a number n which added to its sum of digits gives 51152244132.

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 15 ways as a sum of consecutive naturals, for example, 786738 + ... + 849270.

It is an arithmetic number, because the mean of its divisors is an integer number (2713100124).

Almost surely, 251152244132 is an apocalyptic number.

It is an amenable number.

51152244132 is an abundant number, since it is smaller than the sum of its proper divisors (79076561820).

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

51152244132 is a wasteful number, since it uses less digits than its factorization.

51152244132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68748 (or 68746 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

Adding to 51152244132 its reverse (23144225115), we get a palindrome (74296469247).

The spelling of 51152244132 in words is "fifty-one billion, one hundred fifty-two million, two hundred forty-four thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 6197 12394 18591 24788 37182 62533 68167 74364 125066 136334 187599 204501 250132 272668 375198 409002 687863 750396 818004 1375726 2063589 2751452 4127178 8254356 387517001 775034002 1162551003 1550068004 2325102006 4262687011 4650204012 8525374022 12788061033 17050748044 25576122066 51152244132