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12900099 = 32925113
BaseRepresentation
bin110001001101…
…011100000011
3220021101121110
4301031130003
511300300344
61140254403
7214435422
oct61153403
926241543
1012900099
117311043
1243a1403
1328988c4
1419db2b9
1511ec3b9
hexc4d703

12900099 has 12 divisors (see below), whose sum is σ = 17817176. Its totient is φ = 8301888.

The previous prime is 12900089. The next prime is 12900103. The reversal of 12900099 is 99000921.

It is not a de Polignac number, because 12900099 - 211 = 12898051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12900089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34 + ... + 5079.

Almost surely, 212900099 is an apocalyptic number.

12900099 is a deficient number, since it is larger than the sum of its proper divisors (4917077).

12900099 is an equidigital number, since it uses as much as digits as its factorization.

12900099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5174 (or 5145 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 30.

The square root of 12900099 is about 3591.6707811268. The cubic root of 12900099 is about 234.5296098441.

The spelling of 12900099 in words is "twelve million, nine hundred thousand, ninety-nine".

Divisors: 1 3 29 87 841 2523 5113 15339 148277 444831 4300033 12900099