Search a number
-
+
31362014012 = 2271120071929
BaseRepresentation
bin11101001101010100…
…100101101100111100
32222221200011101100112
4131031110211230330
51003212133422022
622224004445152
72160115502120
oct351524455474
988850141315
1031362014012
111233404834a
1260b30a97b8
132c5a603954
1417372ad580
15c384b88e2
hex74d525b3c

31362014012 has 12 divisors (see below), whose sum is σ = 62724028080. Its totient is φ = 13440863136.

The previous prime is 31362014003. The next prime is 31362014083. The reversal of 31362014012 is 21041026313.

31362014012 is an admirable number.

It is a super-2 number, since 2×313620140122 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560035937 + ... + 560035992.

It is an arithmetic number, because the mean of its divisors is an integer number (5227002340).

Almost surely, 231362014012 is an apocalyptic number.

It is an amenable number.

31362014012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

31362014012 is a wasteful number, since it uses less digits than its factorization.

31362014012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120071940 (or 1120071938 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The spelling of 31362014012 in words is "thirty-one billion, three hundred sixty-two million, fourteen thousand, twelve".

Divisors: 1 2 4 7 14 28 1120071929 2240143858 4480287716 7840503503 15681007006 31362014012