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31402247627 = 89463762061
BaseRepresentation
bin11101001111101110…
…000100010111001011
310000001110212110111102
4131033232010113023
51003302433411002
622232003052015
72161114462232
oct351756042713
9100043773442
1031402247627
1112354828473
12610467100b
132c65a4c91a
14173c783b19
15c3bcb4a02
hex74fb845cb

31402247627 has 8 divisors (see below), whose sum is σ = 31823709120. Its totient is φ = 30982311360.

The previous prime is 31402247581. The next prime is 31402247633. The reversal of 31402247627 is 72674220413.

It is a happy number.

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 31402247627 - 220 = 31401199051 is a prime.

It is a super-2 number, since 2×314022476272 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31402247687) 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, 339824 + ... + 422237.

It is an arithmetic number, because the mean of its divisors is an integer number (3977963640).

Almost surely, 231402247627 is an apocalyptic number.

31402247627 is a deficient number, since it is larger than the sum of its proper divisors (421461493).

31402247627 is an equidigital number, since it uses as much as digits as its factorization.

31402247627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762613.

The product of its (nonzero) digits is 112896, while the sum is 38.

The spelling of 31402247627 in words is "thirty-one billion, four hundred two million, two hundred forty-seven thousand, six hundred twenty-seven".

Divisors: 1 89 463 41207 762061 67823429 352834243 31402247627