Base | Representation |
---|---|
bin | 11001110101001110… |
… | …00111001011110000 |
3 | 1022210111112020212011 |
4 | 30322213013023300 |
5 | 211400231432311 |
6 | 10212044212304 |
7 | 1000445016340 |
oct | 147247071360 |
9 | 38714466764 |
10 | 13868233456 |
11 | 5977290070 |
12 | 283053a094 |
13 | 14002252cc |
14 | 957bb6d20 |
15 | 5627a6321 |
hex | 33a9c72f0 |
13868233456 has 160 divisors (see below), whose sum is σ = 36797644800. Its totient is φ = 4896080640.
The previous prime is 13868233409. The next prime is 13868233471. The reversal of 13868233456 is 65433286831.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 525505 + ... + 551263.
It is an arithmetic number, because the mean of its divisors is an integer number (229985280).
Almost surely, 213868233456 is an apocalyptic number.
13868233456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13868233456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18398822400).
13868233456 is an abundant number, since it is smaller than the sum of its proper divisors (22929411344).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13868233456 is a wasteful number, since it uses less digits than its factorization.
13868233456 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25827 (or 25821 counting only the distinct ones).
The product of its digits is 2488320, while the sum is 49.
The spelling of 13868233456 in words is "thirteen billion, eight hundred sixty-eight million, two hundred thirty-three thousand, four hundred fifty-six".
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