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10231320210 = 235857397951
BaseRepresentation
bin10011000011101010…
…11000111010010010
3222102001000220210120
421201311120322102
5131423204221320
64411124411110
7511353533616
oct114165307222
928361026716
1010231320210
11438034a341
121b96546a96
13c708bc637
146d0b79346
153ed352440
hex261d58e92

10231320210 has 32 divisors (see below), whose sum is σ = 24583882752. Its totient is φ = 2725161600.

The previous prime is 10231320199. The next prime is 10231320227. The reversal of 10231320210 is 1202313201.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10231320210.

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, 173266 + ... + 224685.

It is an arithmetic number, because the mean of its divisors is an integer number (768246336).

Almost surely, 210231320210 is an apocalyptic number.

10231320210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10231320210 is an abundant number, since it is smaller than the sum of its proper divisors (14352562542).

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

10231320210 is a wasteful number, since it uses less digits than its factorization.

10231320210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398818.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 10231320210 its reverse (1202313201), we get a palindrome (11433633411).

The spelling of 10231320210 in words is "ten billion, two hundred thirty-one million, three hundred twenty thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 857 1714 2571 4285 5142 8570 12855 25710 397951 795902 1193853 1989755 2387706 3979510 5969265 11938530 341044007 682088014 1023132021 1705220035 2046264042 3410440070 5115660105 10231320210