Base | Representation |
---|---|
bin | 11000001010010000… |
… | …00011101110110100 |
3 | 1020110222001000022200 |
4 | 30011020003232310 |
5 | 203031022303104 |
6 | 5543031224500 |
7 | 636300556110 |
oct | 140510035664 |
9 | 36428030280 |
10 | 12970900404 |
11 | 555680a500 |
12 | 261bb18130 |
13 | 12b93537c7 |
14 | 8b0952740 |
15 | 50db04b39 |
hex | 305203bb4 |
12970900404 has 108 divisors (see below), whose sum is σ = 41187767712. Its totient is φ = 3369057120.
The previous prime is 12970900379. The next prime is 12970900409. The reversal of 12970900404 is 40400907921.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12970900409) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 182202 + ... + 243185.
Almost surely, 212970900404 is an apocalyptic number.
12970900404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
12970900404 is an abundant number, since it is smaller than the sum of its proper divisors (28216867308).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12970900404 is a wasteful number, since it uses less digits than its factorization.
12970900404 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 425426 (or 425410 counting only the distinct ones).
The product of its (nonzero) digits is 18144, while the sum is 36.
The spelling of 12970900404 in words is "twelve billion, nine hundred seventy million, nine hundred thousand, four hundred four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •