Base | Representation |
---|---|
bin | 1111100101110… |
… | …00111010011010 |
3 | 100010002100120022 |
4 | 13302320322122 |
5 | 231434441301 |
6 | 20551030442 |
7 | 3145422131 |
oct | 762707232 |
9 | 303070508 |
10 | 130780826 |
11 | 67905630 |
12 | 3796b422 |
13 | 21130007 |
14 | 13524918 |
15 | b734d1b |
hex | 7cb8e9a |
130780826 has 16 divisors (see below), whose sum is σ = 215193888. Its totient is φ = 59115600.
The previous prime is 130780823. The next prime is 130780877. The reversal of 130780826 is 628087031.
It is not an unprimeable number, because it can be changed into a prime (130780823) 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, 12440 + ... + 20403.
It is an arithmetic number, because the mean of its divisors is an integer number (13449618).
Almost surely, 2130780826 is an apocalyptic number.
130780826 is a deficient number, since it is larger than the sum of its proper divisors (84413062).
130780826 is a wasteful number, since it uses less digits than its factorization.
130780826 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33037.
The product of its (nonzero) digits is 16128, while the sum is 35.
The square root of 130780826 is about 11435.9444734574. The cubic root of 130780826 is about 507.5919103599.
The spelling of 130780826 in words is "one hundred thirty million, seven hundred eighty thousand, eight hundred twenty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •