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10213400660 = 225836152651
BaseRepresentation
bin10011000001100010…
…00010000001010100
3222100210022111210112
421200301002001110
5131404112310120
64405244342152
7511045321211
oct114061020124
928323274715
1010213400660
1143712200a1
121b90544958
13c69c87158
146cc632b08
153eb9b2bc5
hex260c42054

10213400660 has 24 divisors (see below), whose sum is σ = 21706556256. Its totient is φ = 4036138400.

The previous prime is 10213400633. The next prime is 10213400671. The reversal of 10213400660 is 6600431201.

It is a happy number.

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, 3074666 + ... + 3077985.

It is an arithmetic number, because the mean of its divisors is an integer number (904439844).

Almost surely, 210213400660 is an apocalyptic number.

10213400660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10213400660 is an abundant number, since it is smaller than the sum of its proper divisors (11493155596).

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

10213400660 is a wasteful number, since it uses less digits than its factorization.

10213400660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6152743 (or 6152741 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 10213400660 its reverse (6600431201), we get a palindrome (16813831861).

The spelling of 10213400660 in words is "ten billion, two hundred thirteen million, four hundred thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 83 166 332 415 830 1660 6152651 12305302 24610604 30763255 61526510 123053020 510670033 1021340066 2042680132 2553350165 5106700330 10213400660