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12320030042 = 261965915101
BaseRepresentation
bin10110111100101010…
…01011110101011010
31011210121022101000222
423132111023311122
5200212411430132
65354301000042
7614205345635
oct133625136532
934717271028
1012320030042
115252376a11
122479b53022
131214556608
1484c326c1c
154c18d9412
hex2de54bd5a

12320030042 has 16 divisors (see below), whose sum is σ = 18539215200. Its totient is φ = 6140324400.

The previous prime is 12320030011. The next prime is 12320030057. The reversal of 12320030042 is 24003002321.

It is a self number, because there is not a number n which added to its sum of digits gives 12320030042.

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, 808292 + ... + 823392.

It is an arithmetic number, because the mean of its divisors is an integer number (1158700950).

Almost surely, 212320030042 is an apocalyptic number.

12320030042 is a deficient number, since it is larger than the sum of its proper divisors (6219185158).

12320030042 is a wasteful number, since it uses less digits than its factorization.

12320030042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16381.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 12320030042 its reverse (24003002321), we get a palindrome (36323032363).

The spelling of 12320030042 in words is "twelve billion, three hundred twenty million, thirty thousand, forty-two".

Divisors: 1 2 619 659 1238 1318 15101 30202 407921 815842 9347519 9951559 18695038 19903118 6160015021 12320030042