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12132023294 = 2109113492491
BaseRepresentation
bin10110100110001111…
…11111101111111110
31011022111112122021002
423103013333233332
5144321244221134
65323503210302
7606433332206
oct132307775776
934274478232
1012132023294
115166235736
122426ba6992
1311b460b211
14831387406
154b014d87e
hex2d31ffbfe

12132023294 has 16 divisors (see below), whose sum is σ = 18527549040. Its totient is φ = 5957159040.

The previous prime is 12132023291. The next prime is 12132023359. The reversal of 12132023294 is 49232023121.

It is a happy number.

It is a super-2 number, since 2×121320232942 (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 (12132023291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221612 + ... + 270879.

It is an arithmetic number, because the mean of its divisors is an integer number (1157971815).

Almost surely, 212132023294 is an apocalyptic number.

12132023294 is a deficient number, since it is larger than the sum of its proper divisors (6395525746).

12132023294 is a wasteful number, since it uses less digits than its factorization.

12132023294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492715.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 12132023294 in words is "twelve billion, one hundred thirty-two million, twenty-three thousand, two hundred ninety-four".

Divisors: 1 2 109 113 218 226 12317 24634 492491 984982 53681519 55651483 107363038 111302966 6066011647 12132023294