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1304253505131 = 3673645989849
BaseRepresentation
bin10010111110101011100…
…100010001111001101011
311121200111200001220100020
4102332223210101321223
5132332102344131011
62435055451011523
7163141421606103
oct22765344217153
94550450056306
101304253505131
11463149113595
12190933a39ba3
1395cb53b7a95
14471aa44c203
1523dd7573006
hex12fab911e6b

1304253505131 has 8 divisors (see below), whose sum is σ = 1741588635600. Its totient is φ = 868210355712.

The previous prime is 1304253505127. The next prime is 1304253505133. The reversal of 1304253505131 is 1315053524031.

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

It is not a de Polignac number, because 1304253505131 - 22 = 1304253505127 is a prime.

It is a super-2 number, since 2×13042535051312 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1304253505092 and 1304253505101.

It is not an unprimeable number, because it can be changed into a prime (1304253505133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322992906 + ... + 322996943.

It is an arithmetic number, because the mean of its divisors is an integer number (217698579450).

Almost surely, 21304253505131 is an apocalyptic number.

1304253505131 is a deficient number, since it is larger than the sum of its proper divisors (437335130469).

1304253505131 is an equidigital number, since it uses as much as digits as its factorization.

1304253505131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645990525.

The product of its (nonzero) digits is 27000, while the sum is 33.

It can be divided in two parts, 130425 and 3505131, that added together give a triangular number (3635556 = T2696).

The spelling of 1304253505131 in words is "one trillion, three hundred four billion, two hundred fifty-three million, five hundred five thousand, one hundred thirty-one".

Divisors: 1 3 673 2019 645989849 1937969547 434751168377 1304253505131