Base | Representation |
---|---|
bin | 10111000110100111… |
… | …00111111111001010 |
3 | 1012000102101110002120 |
4 | 23203103213333022 |
5 | 200400244212041 |
6 | 5410442112110 |
7 | 616241033262 |
oct | 134323477712 |
9 | 35012343076 |
10 | 12403507146 |
11 | 5295502558 |
12 | 24a1aab636 |
13 | 1228933554 |
14 | 8594567a2 |
15 | 4c8dc8366 |
hex | 2e34e7fca |
12403507146 has 8 divisors (see below), whose sum is σ = 24807014304. Its totient is φ = 4134502380.
The previous prime is 12403507141. The next prime is 12403507153. The reversal of 12403507146 is 64170530421.
It is a sphenic number, since it is the product of 3 distinct primes.
12403507146 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (12403507141) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1033625590 + ... + 1033625601.
It is an arithmetic number, because the mean of its divisors is an integer number (3100876788).
Almost surely, 212403507146 is an apocalyptic number.
12403507146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12403507146 is a wasteful number, since it uses less digits than its factorization.
12403507146 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2067251196.
The product of its (nonzero) digits is 20160, while the sum is 33.
The spelling of 12403507146 in words is "twelve billion, four hundred three million, five hundred seven thousand, one hundred forty-six".
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