Base | Representation |
---|---|
bin | 11001100011111011… |
… | …00100010010000110 |
3 | 1022102101110222022002 |
4 | 30301331210102012 |
5 | 211101104443440 |
6 | 10145422105302 |
7 | 664033431260 |
oct | 146175442206 |
9 | 38371428262 |
10 | 13723124870 |
11 | 5902389914 |
12 | 27aba1b232 |
13 | 13a9149940 |
14 | 942802b30 |
15 | 554b91115 |
hex | 331f64486 |
13723124870 has 128 divisors (see below), whose sum is σ = 32088268800. Its totient is φ = 4103488512.
The previous prime is 13723124867. The next prime is 13723124911. The reversal of 13723124870 is 7842132731.
It is a super-2 number, since 2×137231248702 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (38).
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8281082 + ... + 8282738.
It is an arithmetic number, because the mean of its divisors is an integer number (250689600).
Almost surely, 213723124870 is an apocalyptic number.
13723124870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13723124870 is an abundant number, since it is smaller than the sum of its proper divisors (18365143930).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13723124870 is a wasteful number, since it uses less digits than its factorization.
13723124870 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2182.
The product of its (nonzero) digits is 56448, while the sum is 38.
The spelling of 13723124870 in words is "thirteen billion, seven hundred twenty-three million, one hundred twenty-four thousand, eight hundred seventy".
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