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51895116006 = 23930012
BaseRepresentation
bin110000010101001100…
…001010000011100110
311221221122211001001120
4300111030022003212
51322240122203011
635501300234410
73515003131206
oct602514120346
9157848731046
1051895116006
1120010492828
12a08369ba06
134b80583546
1427242c6406
15153ae3aa06
hexc1530a0e6

51895116006 has 12 divisors (see below), whose sum is σ = 103791348036. Its totient is φ = 17298186000.

The previous prime is 51895116001. The next prime is 51895116019. The reversal of 51895116006 is 60061159815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51895116001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 511506 + ... + 604506.

It is an arithmetic number, because the mean of its divisors is an integer number (8649279003).

Almost surely, 251895116006 is an apocalyptic number.

51895116006 is an abundant number, since it is smaller than the sum of its proper divisors (51896232030).

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

51895116006 is an frugal number, since it uses more digits than its factorization.

51895116006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186007 (or 93006 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 42.

The spelling of 51895116006 in words is "fifty-one billion, eight hundred ninety-five million, one hundred sixteen thousand, six".

Divisors: 1 2 3 6 93001 186002 279003 558006 8649186001 17298372002 25947558003 51895116006