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12302137228 = 2261911714243
BaseRepresentation
bin10110111010100001…
…11011011110001100
31011202100122022201011
423131100323132030
5200143321342403
65352421255004
7613600304203
oct133520733614
934670568634
1012302137228
115243265867
122473b64464
131210930354
14849bca23a
154c0052a6d
hex2dd43b78c

12302137228 has 24 divisors (see below), whose sum is σ = 21587021120. Its totient is φ = 6134441040.

The previous prime is 12302137219. The next prime is 12302137231. The reversal of 12302137228 is 82273120321.

It is a self number, because there is not a number n which added to its sum of digits gives 12302137228.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2897275 + ... + 2901517.

Almost surely, 212302137228 is an apocalyptic number.

It is an amenable number.

12302137228 is a deficient number, since it is larger than the sum of its proper divisors (9284883892).

12302137228 is a wasteful number, since it uses less digits than its factorization.

12302137228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6037 (or 6035 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

Adding to 12302137228 its reverse (82273120321), we get a palindrome (94575257549).

The spelling of 12302137228 in words is "twelve billion, three hundred two million, one hundred thirty-seven thousand, two hundred twenty-eight".

Divisors: 1 2 4 619 1171 1238 2342 2476 4243 4684 8486 16972 724849 1449698 2626417 2899396 4968553 5252834 9937106 10505668 19874212 3075534307 6151068614 12302137228