Search a number
-
+
31423680712 = 236311622399
BaseRepresentation
bin11101010000111111…
…110101000011001000
310000002222012101011101
4131100333311003020
51003323430240322
622234050311144
72161464610324
oct352077650310
9100088171141
1031423680712
1112365937466
12610b8884b4
132c6a315418
141741562984
15c3daea327
hex750ff50c8

31423680712 has 16 divisors (see below), whose sum is σ = 58928832000. Its totient is φ = 15709325520.

The previous prime is 31423680683. The next prime is 31423680749. The reversal of 31423680712 is 21708632413.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260712 + ... + 361687.

It is an arithmetic number, because the mean of its divisors is an integer number (3683052000).

Almost surely, 231423680712 is an apocalyptic number.

It is an amenable number.

31423680712 is a deficient number, since it is larger than the sum of its proper divisors (27505151288).

31423680712 is a wasteful number, since it uses less digits than its factorization.

31423680712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628716 (or 628712 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 31423680712 in words is "thirty-one billion, four hundred twenty-three million, six hundred eighty thousand, seven hundred twelve".

Divisors: 1 2 4 8 6311 12622 25244 50488 622399 1244798 2489596 4979192 3927960089 7855920178 15711840356 31423680712