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12275738719 = 13597902827
BaseRepresentation
bin10110110111011000…
…01110100001011111
31011200111222010202121
423123230032201133
5200120042114334
65350035403411
7613130025466
oct133354164137
934614863677
1012275738719
11522a375212
122467153567
13120831972a
148464b79dd
154bca8adb4
hex2dbb0e85f

12275738719 has 4 divisors (see below), whose sum is σ = 12276655144. Its totient is φ = 12274822296.

The previous prime is 12275738707. The next prime is 12275738729. The reversal of 12275738719 is 91783757221.

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

It is a cyclic number.

It is not a de Polignac number, because 12275738719 - 29 = 12275738207 is a prime.

It is a super-2 number, since 2×122757387192 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12275738729) 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, 437817 + ... + 465010.

It is an arithmetic number, because the mean of its divisors is an integer number (3069163786).

Almost surely, 212275738719 is an apocalyptic number.

12275738719 is a deficient number, since it is larger than the sum of its proper divisors (916425).

12275738719 is an equidigital number, since it uses as much as digits as its factorization.

12275738719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916424.

The product of its digits is 1481760, while the sum is 52.

The spelling of 12275738719 in words is "twelve billion, two hundred seventy-five million, seven hundred thirty-eight thousand, seven hundred nineteen".

Divisors: 1 13597 902827 12275738719