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12401232422 = 243255156527
BaseRepresentation
bin10111000110010101…
…11100101000100110
31012000021002212202112
423203022330220212
5200344203414142
65410321241022
7616212510365
oct134312745046
935007085675
1012401232422
115294199517
1224a1193172
131228318067
148590237dc
154c8ac9382
hex2e32bca26

12401232422 has 16 divisors (see below), whose sum is σ = 19042248192. Its totient is φ = 6053934600.

The previous prime is 12401232383. The next prime is 12401232433. The reversal of 12401232422 is 22423210421.

12401232422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 191123 + ... + 247649.

It is an arithmetic number, because the mean of its divisors is an integer number (1190140512).

Almost surely, 212401232422 is an apocalyptic number.

12401232422 is a deficient number, since it is larger than the sum of its proper divisors (6641015770).

12401232422 is a wasteful number, since it uses less digits than its factorization.

12401232422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59123.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 12401232422 its reverse (22423210421), we get a palindrome (34824442843).

The spelling of 12401232422 in words is "twelve billion, four hundred one million, two hundred thirty-two thousand, four hundred twenty-two".

Divisors: 1 2 43 86 2551 5102 56527 109693 113054 219386 2430661 4861322 144200377 288400754 6200616211 12401232422