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1312012333330 = 25831667948253
BaseRepresentation
bin10011000101111010000…
…001110111000100010010
311122102112101200012201121
4103011322001313010102
5132444000124131310
62442421413352454
7163534613553346
oct23057201670422
94572471605647
101312012333330
1146646a837aa6
1219233a33872a
139695098989a
1447704a97626
15241dd7d00da
hex1317a077112

1312012333330 has 32 divisors (see below), whose sum is σ = 2391511760064. Its totient is φ = 518170408896.

The previous prime is 1312012333123. The next prime is 1312012333337. The reversal of 1312012333330 is 333332102131.

It is a junction number, because it is equal to n+sod(n) for n = 1312012333295 and 1312012333304.

It is not an unprimeable number, because it can be changed into a prime (1312012333337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 909484 + ... + 1857736.

It is an arithmetic number, because the mean of its divisors is an integer number (74734742502).

Almost surely, 21312012333330 is an apocalyptic number.

1312012333330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312012333330 is a deficient number, since it is larger than the sum of its proper divisors (1079499426734).

1312012333330 is a wasteful number, since it uses less digits than its factorization.

1312012333330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950010.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 1312012333330 its reverse (333332102131), we get a palindrome (1645344435461).

The spelling of 1312012333330 in words is "one trillion, three hundred twelve billion, twelve million, three hundred thirty-three thousand, three hundred thirty".

Divisors: 1 2 5 10 83 166 415 830 1667 3334 8335 16670 138361 276722 691805 948253 1383610 1896506 4741265 9482530 78704999 157409998 393524995 787049990 1580737751 3161475502 7903688755 15807377510 131201233333 262402466666 656006166665 1312012333330