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1312929874901 = 11511140686251
BaseRepresentation
bin10011000110110000101…
…110000000001111010101
311122111220100012011010202
4103012300232000033111
5133002340021444101
62443052431430245
7163566424541561
oct23066056001725
94574810164122
101312929874901
114668a0760617
12192555685385
1396a68ab56a8
144779089c6a1
152424412436b
hex131b0b803d5

1312929874901 has 4 divisors (see below), whose sum is σ = 1314070562304. Its totient is φ = 1311789187500.

The previous prime is 1312929874873. The next prime is 1312929874913. The reversal of 1312929874901 is 1094789292131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1312929874901 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312929874801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 570341975 + ... + 570344276.

It is an arithmetic number, because the mean of its divisors is an integer number (328517640576).

Almost surely, 21312929874901 is an apocalyptic number.

It is an amenable number.

1312929874901 is a deficient number, since it is larger than the sum of its proper divisors (1140687403).

1312929874901 is a wasteful number, since it uses less digits than its factorization.

1312929874901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140687402.

The product of its (nonzero) digits is 1959552, while the sum is 56.

The spelling of 1312929874901 in words is "one trillion, three hundred twelve billion, nine hundred twenty-nine million, eight hundred seventy-four thousand, nine hundred one".

Divisors: 1 1151 1140686251 1312929874901