Search a number
-
+
10231020012 = 2231734928237
BaseRepresentation
bin10011000011101000…
…01111100111101100
3222102000110200000010
421201310033213230
5131423120120022
64411114133220
7511351143453
oct114164174754
928360420003
1010231020012
114380164844
121b96421210
13c70815ac5
146d0adbb9a
153ed2e350c
hex261d0f9ec

10231020012 has 24 divisors (see below), whose sum is σ = 24010375536. Its totient is φ = 3390626368.

The previous prime is 10231019969. The next prime is 10231020029. The reversal of 10231020012 is 21002013201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 10231020012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2462043 + ... + 2466194.

It is an arithmetic number, because the mean of its divisors is an integer number (1000432314).

Almost surely, 210231020012 is an apocalyptic number.

10231020012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10231020012 is an abundant number, since it is smaller than the sum of its proper divisors (13779355524).

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

10231020012 is a wasteful number, since it uses less digits than its factorization.

10231020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4928417 (or 4928415 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 10231020012 its reverse (21002013201), we get a palindrome (31233033213).

The spelling of 10231020012 in words is "ten billion, two hundred thirty-one million, twenty thousand, twelve".

Divisors: 1 2 3 4 6 12 173 346 519 692 1038 2076 4928237 9856474 14784711 19712948 29569422 59138844 852585001 1705170002 2557755003 3410340004 5115510006 10231020012