Base | Representation |
---|---|
bin | 1111100010111… |
… | …01010011111101 |
3 | 100002101021220010 |
4 | 13301131103331 |
5 | 231340440004 |
6 | 20535013433 |
7 | 3142300224 |
oct | 761352375 |
9 | 302337803 |
10 | 130405629 |
11 | 67679752 |
12 | 3780a279 |
13 | 2102b2c3 |
14 | 13467cbb |
15 | b6ada89 |
hex | 7c5d4fd |
130405629 has 12 divisors (see below), whose sum is σ = 176378048. Its totient is φ = 85702680.
The previous prime is 130405619. The next prime is 130405631. The reversal of 130405629 is 926504031.
It is not a de Polignac number, because 130405629 - 29 = 130405117 is a prime.
It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 130405596 and 130405605.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130405609) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10812 + ... + 19434.
Almost surely, 2130405629 is an apocalyptic number.
It is an amenable number.
130405629 is a deficient number, since it is larger than the sum of its proper divisors (45972419).
130405629 is an frugal number, since it uses more digits than its factorization.
130405629 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8768 (or 8697 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 30.
The square root of 130405629 is about 11419.5284053239. The cubic root of 130405629 is about 507.1060354218.
The spelling of 130405629 in words is "one hundred thirty million, four hundred five thousand, six hundred twenty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.081 sec. • engine limits •