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12168400498 = 216373716677
BaseRepresentation
bin10110101010100101…
…10000111001110010
31011102000222210101221
423111102300321302
5144410102303443
65331243015254
7610354461202
oct132522607162
934360883357
1012168400498
115184821441
12243720a52a
1311bc006aa7
14836136402
154b3436eed
hex2d54b0e72

12168400498 has 8 divisors (see below), whose sum is σ = 18263755692. Its totient is φ = 6080481936.

The previous prime is 12168400481. The next prime is 12168400499. The reversal of 12168400498 is 89400486121.

12168400498 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9336777129 + 2831623369 = 96627^2 + 53213^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12168400499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1855065 + ... + 1861612.

Almost surely, 212168400498 is an apocalyptic number.

12168400498 is a deficient number, since it is larger than the sum of its proper divisors (6095355194).

12168400498 is a wasteful number, since it uses less digits than its factorization.

12168400498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3718316.

The product of its (nonzero) digits is 110592, while the sum is 43.

The spelling of 12168400498 in words is "twelve billion, one hundred sixty-eight million, four hundred thousand, four hundred ninety-eight".

Divisors: 1 2 1637 3274 3716677 7433354 6084200249 12168400498