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12143501054 = 26430194427
BaseRepresentation
bin10110100111100111…
…10001111011111110
31011100022010202210022
423103303301323332
5144332214013204
65324553212142
7606633025106
oct132363617376
934308122708
1012143501054
115171765093
12242aa01052
1311b6ac95a9
14832ad4206
154b11695be
hex2d3cf1efe

12143501054 has 8 divisors (see below), whose sum is σ = 18215727768. Its totient is φ = 6071591800.

The previous prime is 12143501053. The next prime is 12143501059. The reversal of 12143501054 is 45010534121.

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

It is a super-2 number, since 2×121435010542 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12143501053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81389 + ... + 175815.

It is an arithmetic number, because the mean of its divisors is an integer number (2276965971).

Almost surely, 212143501054 is an apocalyptic number.

12143501054 is a deficient number, since it is larger than the sum of its proper divisors (6072226714).

12143501054 is an equidigital number, since it uses as much as digits as its factorization.

12143501054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158730.

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 12143501054 in words is "twelve billion, one hundred forty-three million, five hundred one thousand, fifty-four".

Divisors: 1 2 64301 94427 128602 188854 6071750527 12143501054