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12143023202 = 229946122129
BaseRepresentation
bin10110100111100011…
…11101010001100010
31011100021020111022002
423103301331101202
5144332103220302
65324535044002
7606625665002
oct132361752142
934307214262
1012143023202
115171469072
12242a810602
1311b698cc3b
14832a0c002
154b10c2c02
hex2d3c7d462

12143023202 has 16 divisors (see below), whose sum is σ = 18845465400. Its totient is φ = 5861264640.

The previous prime is 12143023171. The next prime is 12143023219. The reversal of 12143023202 is 20232034121.

It can be written as a sum of positive squares in 4 ways, for example, as 12119587921 + 23435281 = 110089^2 + 4841^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 537674 + ... + 559802.

Almost surely, 212143023202 is an apocalyptic number.

12143023202 is a deficient number, since it is larger than the sum of its proper divisors (6702442198).

12143023202 is a wasteful number, since it uses less digits than its factorization.

12143023202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31621.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12143023202 its reverse (20232034121), we get a palindrome (32375057323).

The spelling of 12143023202 in words is "twelve billion, one hundred forty-three million, twenty-three thousand, two hundred two".

Divisors: 1 2 29 58 9461 18922 22129 44258 274369 548738 641741 1283482 209362469 418724938 6071511601 12143023202