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10123042308 = 223843586859
BaseRepresentation
bin10010110110110000…
…10101111000000100
3222010111021211102220
421123120111320010
5131212444323213
64352255532340
7505600303611
oct113330257004
928114254386
1010123042308
114325214575
121b6622a0b0
13c5433b082
146c0631508
153e3ab4e23
hex25b615e04

10123042308 has 12 divisors (see below), whose sum is σ = 23620432080. Its totient is φ = 3374347432.

The previous prime is 10123042301. The next prime is 10123042333. The reversal of 10123042308 is 80324032101.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (10123042301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421793418 + ... + 421793441.

It is an arithmetic number, because the mean of its divisors is an integer number (1968369340).

Almost surely, 210123042308 is an apocalyptic number.

It is an amenable number.

10123042308 is an abundant number, since it is smaller than the sum of its proper divisors (13497389772).

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

10123042308 is a wasteful number, since it uses less digits than its factorization.

10123042308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843586866 (or 843586864 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 10123042308 its reverse (80324032101), we get a palindrome (90447074409).

The spelling of 10123042308 in words is "ten billion, one hundred twenty-three million, forty-two thousand, three hundred eight".

Divisors: 1 2 3 4 6 12 843586859 1687173718 2530760577 3374347436 5061521154 10123042308