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12073838519 = 61197931779
BaseRepresentation
bin10110011111010100…
…00010011110110111
31011011110001112202102
423033222002132313
5144211400313034
65314024132315
7605125635251
oct131752023667
934143045672
1012073838519
115136404646
12240b60709b
1311a5548562
1482775ccd1
154a9ea897e
hex2cfa827b7

12073838519 has 4 divisors (see below), whose sum is σ = 12271770360. Its totient is φ = 11875906680.

The previous prime is 12073838509. The next prime is 12073838531. The reversal of 12073838519 is 91583837021.

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 12073838519 - 24 = 12073838503 is a prime.

It is a super-2 number, since 2×120738385192 (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 (12073838509) 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, 98965829 + ... + 98965950.

It is an arithmetic number, because the mean of its divisors is an integer number (3067942590).

Almost surely, 212073838519 is an apocalyptic number.

12073838519 is a deficient number, since it is larger than the sum of its proper divisors (197931841).

12073838519 is an equidigital number, since it uses as much as digits as its factorization.

12073838519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197931840.

The product of its (nonzero) digits is 362880, while the sum is 47.

The spelling of 12073838519 in words is "twelve billion, seventy-three million, eight hundred thirty-eight thousand, five hundred nineteen".

Divisors: 1 61 197931779 12073838519