Base | Representation |
---|---|
bin | 10111011101111010… |
… | …10001011110110110 |
3 | 1012112001012012202010 |
4 | 23232331101132312 |
5 | 201300314140030 |
6 | 5442103425050 |
7 | 624133341522 |
oct | 135675213666 |
9 | 35461165663 |
10 | 12598974390 |
11 | 5385879a32 |
12 | 2537455186 |
13 | 125a291642 |
14 | 8773b8d82 |
15 | 4db1396b0 |
hex | 2eef517b6 |
12598974390 has 64 divisors (see below), whose sum is σ = 30634718400. Its totient is φ = 3315738624.
The previous prime is 12598974379. The next prime is 12598974391. The reversal of 12598974390 is 9347989521.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 12598974390.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12598974391) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1515084 + ... + 1523376.
It is an arithmetic number, because the mean of its divisors is an integer number (478667475).
Almost surely, 212598974390 is an apocalyptic number.
12598974390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12598974390 is an abundant number, since it is smaller than the sum of its proper divisors (18035744010).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12598974390 is a wasteful number, since it uses less digits than its factorization.
12598974390 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8961.
The product of its (nonzero) digits is 4898880, while the sum is 57.
The spelling of 12598974390 in words is "twelve billion, five hundred ninety-eight million, nine hundred seventy-four thousand, three hundred ninety".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •