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12300131501 = 71757161643
BaseRepresentation
bin10110111010010010…
…10001110010101101
31011202012212102100222
423131021101302231
5200142313202001
65352310301125
7613544251460
oct133511216255
934665772328
1012300131501
115242115939
1224733577a5
1312103aa428
148498272d7
154beca861b
hex2dd251cad

12300131501 has 4 divisors (see below), whose sum is σ = 14057293152. Its totient is φ = 10542969852.

The previous prime is 12300131491. The next prime is 12300131513. The reversal of 12300131501 is 10513100321.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10513100321 = 41256417081.

It is a cyclic number.

It is not a de Polignac number, because 12300131501 - 210 = 12300130477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12300131501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12300101501) 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, 878580815 + ... + 878580828.

It is an arithmetic number, because the mean of its divisors is an integer number (3514323288).

Almost surely, 212300131501 is an apocalyptic number.

It is an amenable number.

12300131501 is a deficient number, since it is larger than the sum of its proper divisors (1757161651).

12300131501 is an equidigital number, since it uses as much as digits as its factorization.

12300131501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1757161650.

The product of its (nonzero) digits is 90, while the sum is 17.

Adding to 12300131501 its reverse (10513100321), we get a palindrome (22813231822).

The spelling of 12300131501 in words is "twelve billion, three hundred million, one hundred thirty-one thousand, five hundred one".

Divisors: 1 7 1757161643 12300131501