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48143715165 = 325713173471993
BaseRepresentation
bin101100110101100101…
…101100101101011101
311121021012220010112200
4230311211230231131
51242044242341130
634041130522113
73323021553420
oct546545545535
9147235803480
1048143715165
1119465965857
1293b7296339
134703303a30
142489da59b7
1513bb91e760
hexb3596cb5d

48143715165 has 192 divisors, whose sum is σ = 109116274176. Its totient is φ = 19055886336.

The previous prime is 48143715049. The next prime is 48143715181. The reversal of 48143715165 is 56151734184.

48143715165 is a `hidden beast` number, since 4 + 8 + 1 + 437 + 151 + 65 = 666.

It is not a de Polignac number, because 48143715165 - 216 = 48143649629 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 48143715165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 24155409 + ... + 24157401.

It is an arithmetic number, because the mean of its divisors is an integer number (568313928).

Almost surely, 248143715165 is an apocalyptic number.

48143715165 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

48143715165 is an abundant number, since it is smaller than the sum of its proper divisors (60972559011).

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

48143715165 is a wasteful number, since it uses less digits than its factorization.

48143715165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2388 (or 2385 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The spelling of 48143715165 in words is "forty-eight billion, one hundred forty-three million, seven hundred fifteen thousand, one hundred sixty-five".