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10123222120 = 2351123007323
BaseRepresentation
bin10010110110110010…
…00001110001101000
3222010111121222002121
421123121001301220
5131213021101440
64352303441024
7505601653054
oct113331016150
928114558077
1010123222120
114325327680
121b662b6174
13c543a1b7b
146c067ac64
153e3aed34a
hex25b641c68

10123222120 has 32 divisors (see below), whose sum is σ = 24847909920. Its totient is φ = 3681171520.

The previous prime is 10123222069. The next prime is 10123222127. The reversal of 10123222120 is 2122232101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10123222094 and 10123222103.

It is not an unprimeable number, because it can be changed into a prime (10123222127) 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, 11503222 + ... + 11504101.

It is an arithmetic number, because the mean of its divisors is an integer number (776497185).

Almost surely, 210123222120 is an apocalyptic number.

10123222120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10123222120 is an abundant number, since it is smaller than the sum of its proper divisors (14724687800).

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

10123222120 is a wasteful number, since it uses less digits than its factorization.

10123222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23007345 (or 23007341 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 10123222120 its reverse (2122232101), we get a palindrome (12245454221).

The spelling of 10123222120 in words is "ten billion, one hundred twenty-three million, two hundred twenty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 23007323 46014646 92029292 115036615 184058584 230073230 253080553 460146460 506161106 920292920 1012322212 1265402765 2024644424 2530805530 5061611060 10123222120