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1312102010 = 25711848031
BaseRepresentation
bin100111000110101…
…0001011001111010
310101102221200120202
41032031101121322
510141344231020
6334110522202
744341453202
oct11615213172
93342850522
101312102010
1161371372a
12307506362
1317bab452b
14c6391402
157a2d0e75
hex4e35167a

1312102010 has 16 divisors (see below), whose sum is σ = 2395049472. Its totient is φ = 517448400.

The previous prime is 1312101983. The next prime is 1312102027. The reversal of 1312102010 is 102012131.

It is a super-2 number, since 2×13121020102 = 3443223369292080200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1312101982 and 1312102000.

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, 923306 + ... + 924725.

It is an arithmetic number, because the mean of its divisors is an integer number (149690592).

Almost surely, 21312102010 is an apocalyptic number.

1312102010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312102010 is a deficient number, since it is larger than the sum of its proper divisors (1082947462).

1312102010 is a wasteful number, since it uses less digits than its factorization.

1312102010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1848109.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1312102010 is about 36222.9486651763. The cubic root of 1312102010 is about 1094.7691068114.

Adding to 1312102010 its reverse (102012131), we get a palindrome (1414114141).

The spelling of 1312102010 in words is "one billion, three hundred twelve million, one hundred two thousand, ten".

Divisors: 1 2 5 10 71 142 355 710 1848031 3696062 9240155 18480310 131210201 262420402 656051005 1312102010