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30310123110 = 2351935234909
BaseRepresentation
bin11100001110100111…
…111100011001100110
32220020100211210022020
4130032213330121212
5444033342414420
621531351044010
72122053536601
oct341647743146
986210753266
1030310123110
1111944302123
125a5a970606
132b206c87b7
1416776d5338
15bc5e87340
hex70e9fc666

30310123110 has 32 divisors (see below), whose sum is σ = 73121222880. Its totient is φ = 8040818688.

The previous prime is 30310123091. The next prime is 30310123127. The reversal of 30310123110 is 1132101303.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 30310123110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2611665 + ... + 2623244.

It is an arithmetic number, because the mean of its divisors is an integer number (2285038215).

Almost surely, 230310123110 is an apocalyptic number.

30310123110 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30310123110 is an abundant number, since it is smaller than the sum of its proper divisors (42811099770).

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

30310123110 is a wasteful number, since it uses less digits than its factorization.

30310123110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5235112.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 30310123110 its reverse (1132101303), we get a palindrome (31442224413).

The spelling of 30310123110 in words is "thirty billion, three hundred ten million, one hundred twenty-three thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 193 386 579 965 1158 1930 2895 5790 5234909 10469818 15704727 26174545 31409454 52349090 78523635 157047270 1010337437 2020674874 3031012311 5051687185 6062024622 10103374370 15155061555 30310123110