Base | Representation |
---|---|
bin | 11100100000110111… |
… | …01001110010100000 |
3 | 1110111211211112100100 |
4 | 32100123221302200 |
5 | 222322331220143 |
6 | 11011001022400 |
7 | 1051230306555 |
oct | 162033516240 |
9 | 43454745310 |
10 | 15308070048 |
11 | 6546008667 |
12 | 2b72784a00 |
13 | 159c61111b |
14 | a530d8a2c |
15 | 5e8db96d3 |
hex | 3906e9ca0 |
15308070048 has 144 divisors (see below), whose sum is σ = 44344427400. Its totient is φ = 5007882240.
The previous prime is 15308070031. The next prime is 15308070059. The reversal of 15308070048 is 84007080351.
15308070048 is a `hidden beast` number, since 1 + 530 + 80 + 7 + 0 + 0 + 48 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 10921922064 + 4386147984 = 104508^2 + 66228^2 .
It is a tau number, because it is divible by the number of its divisors (144).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 15308069994 and 15308070021.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12455098 + ... + 12456326.
Almost surely, 215308070048 is an apocalyptic number.
15308070048 is a gapful number since it is divisible by the number (18) 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 15308070048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22172213700).
15308070048 is an abundant number, since it is smaller than the sum of its proper divisors (29036357352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15308070048 is a wasteful number, since it uses less digits than its factorization.
15308070048 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2015 (or 2004 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 36.
The spelling of 15308070048 in words is "fifteen billion, three hundred eight million, seventy thousand, forty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •