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12472126723 = 77324407293
BaseRepresentation
bin10111001110110010…
…11000110100000011
31012012012111200110101
423213121120310003
5201020331023343
65421332543231
7621033220330
oct134731306403
935165450411
1012472126723
115320210451
122500a81b17
131239c0a954
148645d9987
154cee2ee4d
hex2e7658d03

12472126723 has 8 divisors (see below), whose sum is σ = 14449118048. Its totient is φ = 10543950144.

The previous prime is 12472126697. The next prime is 12472126741. The reversal of 12472126723 is 32762127421.

12472126723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12472126723 - 25 = 12472126691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12472126123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12203136 + ... + 12204157.

It is an arithmetic number, because the mean of its divisors is an integer number (1806139756).

Almost surely, 212472126723 is an apocalyptic number.

12472126723 is a deficient number, since it is larger than the sum of its proper divisors (1976991325).

12472126723 is an equidigital number, since it uses as much as digits as its factorization.

12472126723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24407373.

The product of its digits is 56448, while the sum is 37.

The spelling of 12472126723 in words is "twelve billion, four hundred seventy-two million, one hundred twenty-six thousand, seven hundred twenty-three".

Divisors: 1 7 73 511 24407293 170851051 1781732389 12472126723