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1312423413 = 3762496353
BaseRepresentation
bin100111000111001…
…1111110111110101
310101110120000110120
41032032133313311
510141440022123
6334121442153
744344262220
oct11616376765
93343500416
101312423413
11613913154
12307640359
1317bb97902
14c64365b7
157a3462e3
hex4e39fdf5

1312423413 has 8 divisors (see below), whose sum is σ = 1999883328. Its totient is φ = 749956224.

The previous prime is 1312423397. The next prime is 1312423417. The reversal of 1312423413 is 3143242131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1312423413 - 24 = 1312423397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312423417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31248156 + ... + 31248197.

It is an arithmetic number, because the mean of its divisors is an integer number (249985416).

Almost surely, 21312423413 is an apocalyptic number.

It is an amenable number.

1312423413 is a deficient number, since it is larger than the sum of its proper divisors (687459915).

1312423413 is an equidigital number, since it uses as much as digits as its factorization.

1312423413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62496363.

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

The square root of 1312423413 is about 36227.3848490337. The cubic root of 1312423413 is about 1094.8584884160.

Adding to 1312423413 its reverse (3143242131), we get a palindrome (4455665544).

The spelling of 1312423413 in words is "one billion, three hundred twelve million, four hundred twenty-three thousand, four hundred thirteen".

Divisors: 1 3 7 21 62496353 187489059 437474471 1312423413