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1312310302404 = 2231138831109589
BaseRepresentation
bin10011000110001011110…
…010100001011011000100
311122110022011100121110020
4103012023302201123010
5133000102414134104
62442511140055140
7163545162344013
oct23061362413304
94573264317406
101312310302404
11466602a54632
121924020944b0
139699a62614a
144773249ca7a
1524209a3c2d9
hex1318bca16c4

1312310302404 has 48 divisors (see below), whose sum is σ = 3089533224960. Its totient is φ = 433512593920.

The previous prime is 1312310302403. The next prime is 1312310302409. The reversal of 1312310302404 is 4042030132131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1312310302403) 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, 11920042 + ... + 12029630.

It is an arithmetic number, because the mean of its divisors is an integer number (64365275520).

Almost surely, 21312310302404 is an apocalyptic number.

It is an amenable number.

1312310302404 is an abundant number, since it is smaller than the sum of its proper divisors (1777222922556).

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

1312310302404 is a wasteful number, since it uses less digits than its factorization.

1312310302404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118540 (or 118538 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1312310302404 its reverse (4042030132131), we get a palindrome (5354340434535).

The spelling of 1312310302404 in words is "one trillion, three hundred twelve billion, three hundred ten million, three hundred two thousand, four hundred four".

Divisors: 1 2 3 4 6 12 113 226 339 452 678 1356 8831 17662 26493 35324 52986 105972 109589 219178 328767 438356 657534 997903 1315068 1995806 2993709 3991612 5987418 11974836 12383557 24767114 37150671 49534228 74301342 148602684 967780459 1935560918 2903341377 3871121836 5806682754 11613365508 109359191867 218718383734 328077575601 437436767468 656155151202 1312310302404