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12496530307 = 26946455503
BaseRepresentation
bin10111010001101100…
…11110101110000011
31012020220102111212211
423220312132232003
5201043102432212
65424004002551
7621450516652
oct135066365603
935226374784
1012496530307
115332a691a8
122509090457
131241ca3541
1486794d199
154d21509a7
hex2e8d9eb83

12496530307 has 4 divisors (see below), whose sum is σ = 12542986080. Its totient is φ = 12450074536.

The previous prime is 12496530287. The next prime is 12496530313. The reversal of 12496530307 is 70303569421.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12496530307 is a prime.

It is a super-3 number, since 3×124965303073 (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12496530307.

It is not an unprimeable number, because it can be changed into a prime (12496530367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23227483 + ... + 23228020.

It is an arithmetic number, because the mean of its divisors is an integer number (3135746520).

Almost surely, 212496530307 is an apocalyptic number.

12496530307 is a deficient number, since it is larger than the sum of its proper divisors (46455773).

12496530307 is an equidigital number, since it uses as much as digits as its factorization.

12496530307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46455772.

The product of its (nonzero) digits is 136080, while the sum is 40.

The spelling of 12496530307 in words is "twelve billion, four hundred ninety-six million, five hundred thirty thousand, three hundred seven".

Divisors: 1 269 46455503 12496530307