Base | Representation |
---|---|
bin | 1111100011110… |
… | …10110011010101 |
3 | 100002121102120220 |
4 | 13301322303111 |
5 | 231403321141 |
6 | 20541344553 |
7 | 3143312334 |
oct | 761726325 |
9 | 302542526 |
10 | 130526421 |
11 | 67751483 |
12 | 37868159 |
13 | 2107128c |
14 | 13499d1b |
15 | b6d4766 |
hex | 7c7acd5 |
130526421 has 16 divisors (see below), whose sum is σ = 177307200. Its totient is φ = 85396608.
The previous prime is 130526393. The next prime is 130526437. The reversal of 130526421 is 124625031.
It is not a de Polignac number, because 130526421 - 219 = 130002133 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 130526391 and 130526400.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130546421) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35355 + ... + 38871.
It is an arithmetic number, because the mean of its divisors is an integer number (11081700).
Almost surely, 2130526421 is an apocalyptic number.
It is an amenable number.
130526421 is a deficient number, since it is larger than the sum of its proper divisors (46780779).
130526421 is a wasteful number, since it uses less digits than its factorization.
130526421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3748.
The product of its (nonzero) digits is 1440, while the sum is 24.
The square root of 130526421 is about 11424.8160160241. The cubic root of 130526421 is about 507.2625609991.
The spelling of 130526421 in words is "one hundred thirty million, five hundred twenty-six thousand, four hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.003 sec. • engine limits •