Base | Representation |
---|---|
bin | 1111100010111… |
… | …11100111001011 |
3 | 100002101202211002 |
4 | 13301133213023 |
5 | 231341240201 |
6 | 20535125215 |
7 | 3142336544 |
oct | 761374713 |
9 | 302352732 |
10 | 130415051 |
11 | 67685838 |
12 | 3781380b |
13 | 21032690 |
14 | 1346b4cb |
15 | b6b176b |
hex | 7c5f9cb |
130415051 has 8 divisors (see below), whose sum is σ = 140902944. Its totient is φ = 119992320.
The previous prime is 130415039. The next prime is 130415053. The reversal of 130415051 is 150514031.
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 130415051 - 26 = 130414987 is a prime.
It is not an unprimeable number, because it can be changed into a prime (130415053) 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, 12086 + ... + 20171.
It is an arithmetic number, because the mean of its divisors is an integer number (17612868).
Almost surely, 2130415051 is an apocalyptic number.
130415051 is a deficient number, since it is larger than the sum of its proper divisors (10487893).
130415051 is a wasteful number, since it uses less digits than its factorization.
130415051 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32581.
The product of its (nonzero) digits is 300, while the sum is 20.
The square root of 130415051 is about 11419.9409368000. The cubic root of 130415051 is about 507.1182481819.
Adding to 130415051 its reverse (150514031), we get a palindrome (280929082).
The spelling of 130415051 in words is "one hundred thirty million, four hundred fifteen thousand, fifty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.097 sec. • engine limits •