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23100656340 = 2235385010939
BaseRepresentation
bin10101100000111010…
…000000101011010100
32012121220221221010110
4111200322000223110
5334302232000330
614340131123020
71445312224206
oct254072005324
965556857113
1023100656340
11988479a023
124588443470
132241ba2628
141192010776
15903093db0
hex560e80ad4

23100656340 has 24 divisors (see below), whose sum is σ = 64681837920. Its totient is φ = 6160175008.

The previous prime is 23100656339. The next prime is 23100656377. The reversal of 23100656340 is 4365600132.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 23100656298 and 23100656307.

It is a congruent number.

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, 192505410 + ... + 192505529.

It is an arithmetic number, because the mean of its divisors is an integer number (2695076580).

Almost surely, 223100656340 is an apocalyptic number.

23100656340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23100656340 is an abundant number, since it is smaller than the sum of its proper divisors (41581181580).

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

23100656340 is a wasteful number, since it uses less digits than its factorization.

23100656340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385010951 (or 385010949 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The spelling of 23100656340 in words is "twenty-three billion, one hundred million, six hundred fifty-six thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 385010939 770021878 1155032817 1540043756 1925054695 2310065634 3850109390 4620131268 5775164085 7700218780 11550328170 23100656340