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23421983660 = 2253153712781
BaseRepresentation
bin10101110100000011…
…110001101110101100
32020110022121001100022
4111310003301232230
5340432011434120
614432050221312
71456263401435
oct256403615654
966408531308
1023421983660
119a2a10aa99
124657b84838
132293629a3a
1411c297648c
159213b7025
hex5740f1bac

23421983660 has 48 divisors (see below), whose sum is σ = 51730866432. Its totient is φ = 8895494400.

The previous prime is 23421983647. The next prime is 23421983681. The reversal of 23421983660 is 6638912432.

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, 323531 + ... + 389250.

It is an arithmetic number, because the mean of its divisors is an integer number (1077726384).

Almost surely, 223421983660 is an apocalyptic number.

23421983660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23421983660 is an abundant number, since it is smaller than the sum of its proper divisors (28308882772).

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

23421983660 is a wasteful number, since it uses less digits than its factorization.

23421983660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712874 (or 712872 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 44.

The spelling of 23421983660 in words is "twenty-three billion, four hundred twenty-one million, nine hundred eighty-three thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 31 53 62 106 124 155 212 265 310 530 620 1060 1643 3286 6572 8215 16430 32860 712781 1425562 2851124 3563905 7127810 14255620 22096211 37777393 44192422 75554786 88384844 110481055 151109572 188886965 220962110 377773930 441924220 755547860 1171099183 2342198366 4684396732 5855495915 11710991830 23421983660