Base | Representation |
---|---|
bin | 11000001101110111… |
… | …01110110011101000 |
3 | 1020120002002120122121 |
4 | 30012323232303220 |
5 | 203111303122100 |
6 | 5550033201024 |
7 | 640116401254 |
oct | 140673566350 |
9 | 36502076577 |
10 | 13001223400 |
11 | 5571940630 |
12 | 262a100174 |
13 | 12c270c7c9 |
14 | 8b49a7264 |
15 | 5115e451a |
hex | 306eeece8 |
13001223400 has 48 divisors (see below), whose sum is σ = 32975835840. Its totient is φ = 4727716800.
The previous prime is 13001223383. The next prime is 13001223439. The reversal of 13001223400 is 432210031.
It is a happy number.
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 11 ways as a sum of consecutive naturals, for example, 2952624 + ... + 2957023.
It is an arithmetic number, because the mean of its divisors is an integer number (686996580).
Almost surely, 213001223400 is an apocalyptic number.
13001223400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13001223400 is an abundant number, since it is smaller than the sum of its proper divisors (19974612440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13001223400 is a wasteful number, since it uses less digits than its factorization.
13001223400 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5909674 (or 5909665 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 13001223400 its reverse (432210031), we get a palindrome (13433433431).
The spelling of 13001223400 in words is "thirteen billion, one million, two hundred twenty-three thousand, four hundred".
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