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31441627147 = 731144892291
BaseRepresentation
bin11101010010000100…
…010010100000001011
310000011012222011001011
4131102010102200023
51003343024032042
622235531104351
72162103264310
oct352204224013
9100135864034
1031441627147
1112374a84927
1261158a20b7
132c70c59c08
141743ab4d07
15c40492a17
hex75211280b

31441627147 has 8 divisors (see below), whose sum is σ = 37092426752. Its totient is φ = 26080612200.

The previous prime is 31441627099. The next prime is 31441627153. The reversal of 31441627147 is 74172614413.

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

It is a cyclic number.

It is not a de Polignac number, because 31441627147 - 211 = 31441625099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31441624147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72445929 + ... + 72446362.

It is an arithmetic number, because the mean of its divisors is an integer number (4636553344).

Almost surely, 231441627147 is an apocalyptic number.

31441627147 is a deficient number, since it is larger than the sum of its proper divisors (5650799605).

31441627147 is a wasteful number, since it uses less digits than its factorization.

31441627147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144892329.

The product of its digits is 112896, while the sum is 40.

The spelling of 31441627147 in words is "thirty-one billion, four hundred forty-one million, six hundred twenty-seven thousand, one hundred forty-seven".

Divisors: 1 7 31 217 144892291 1014246037 4491661021 31441627147