Base | Representation |
---|---|
bin | 10111110010010111… |
… | …00011111000000011 |
3 | 1012221222221012112202 |
4 | 23321023203320003 |
5 | 202123221220112 |
6 | 5511111543415 |
7 | 631315250555 |
oct | 137113437003 |
9 | 35858835482 |
10 | 12770491907 |
11 | 5463678648 |
12 | 258498ab6b |
13 | 12869855b4 |
14 | 8920a54d5 |
15 | 4eb2196c2 |
hex | 2f92e3e03 |
12770491907 has 8 divisors (see below), whose sum is σ = 13458216960. Its totient is φ = 12084326280.
The previous prime is 12770491891. The next prime is 12770491927. The reversal of 12770491907 is 70919407721.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12770491907 - 24 = 12770491891 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12770491927) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373019 + ... + 405812.
It is an arithmetic number, because the mean of its divisors is an integer number (1682277120).
Almost surely, 212770491907 is an apocalyptic number.
12770491907 is a deficient number, since it is larger than the sum of its proper divisors (687725053).
12770491907 is an equidigital number, since it uses as much as digits as its factorization.
12770491907 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 779713.
The product of its (nonzero) digits is 222264, while the sum is 47.
The spelling of 12770491907 in words is "twelve billion, seven hundred seventy million, four hundred ninety-one thousand, nine hundred seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •