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12102344443 = 719507717923
BaseRepresentation
bin10110100010101101…
…10001111011111011
31011020102200210112101
423101112301323323
5144241200010233
65320523124231
7605623142020
oct132126617373
934212623471
1012102344443
115150504562
122419073677
1311ab419477
1482b45d547
154ac739c7d
hex2d15b1efb

12102344443 has 16 divisors (see below), whose sum is σ = 14562891520. Its totient is φ = 9824983776.

The previous prime is 12102344437. The next prime is 12102344459. The reversal of 12102344443 is 34444320121.

It is a cyclic number.

It is not a de Polignac number, because 12102344443 - 229 = 11565473531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12102342443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 666280 + ... + 684202.

It is an arithmetic number, because the mean of its divisors is an integer number (910180720).

Almost surely, 212102344443 is an apocalyptic number.

12102344443 is a deficient number, since it is larger than the sum of its proper divisors (2460547077).

12102344443 is a wasteful number, since it uses less digits than its factorization.

12102344443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23026.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 12102344443 its reverse (34444320121), we get a palindrome (46546664564).

The spelling of 12102344443 in words is "twelve billion, one hundred two million, three hundred forty-four thousand, four hundred forty-three".

Divisors: 1 7 19 133 5077 17923 35539 96463 125461 340537 675241 2383759 90995071 636965497 1728906349 12102344443