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47156713669 = 1319501186013
BaseRepresentation
bin101011111010110000…
…100101100011000101
311111201102200021000201
4223322300211203011
51233034104314134
633355152010501
73256405311142
oct537260454305
9144642607021
1047156713669
1118aa980aa3a
129180830a31
1345a6998190
1423d4c7d3c9
15135ee59914
hexafac258c5

47156713669 has 8 divisors (see below), whose sum is σ = 50787030392. Its totient is φ = 43526808000.

The previous prime is 47156713663. The next prime is 47156713673. The reversal of 47156713669 is 96631765174.

47156713669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8236900 + 47148476769 = 2870^2 + 217137^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47156713669 - 223 = 47148325061 is a prime.

It is a super-2 number, since 2×471567136692 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47156713663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160507 + ... + 346519.

It is an arithmetic number, because the mean of its divisors is an integer number (6348378799).

Almost surely, 247156713669 is an apocalyptic number.

It is an amenable number.

47156713669 is a deficient number, since it is larger than the sum of its proper divisors (3630316723).

47156713669 is a wasteful number, since it uses less digits than its factorization.

47156713669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205527.

The product of its digits is 5715360, while the sum is 55.

The spelling of 47156713669 in words is "forty-seven billion, one hundred fifty-six million, seven hundred thirteen thousand, six hundred sixty-nine".

Divisors: 1 13 19501 186013 253513 2418169 3627439513 47156713669