Base | Representation |
---|---|
bin | 10010000001000… |
… | …01001110100101 |
3 | 101112101020211010 |
4 | 21000201032211 |
5 | 302142143140 |
6 | 22555132433 |
7 | 3513410202 |
oct | 1100411645 |
9 | 345336733 |
10 | 151131045 |
11 | 78344a9a |
12 | 42744119 |
13 | 25406970 |
14 | 16100ca9 |
15 | d404880 |
hex | 90213a5 |
151131045 has 64 divisors (see below), whose sum is σ = 280756224. Its totient is φ = 68808960.
The previous prime is 151131031. The next prime is 151131067. The reversal of 151131045 is 540131151.
It is a happy number.
It is not a de Polignac number, because 151131045 - 26 = 151130981 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 138492 + ... + 139578.
It is an arithmetic number, because the mean of its divisors is an integer number (4386816).
Almost surely, 2151131045 is an apocalyptic number.
151131045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
151131045 is a deficient number, since it is larger than the sum of its proper divisors (129625179).
151131045 is a wasteful number, since it uses less digits than its factorization.
151131045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1162.
The product of its (nonzero) digits is 300, while the sum is 21.
The square root of 151131045 is about 12293.5367165027. The cubic root of 151131045 is about 532.6614027253.
Adding to 151131045 its reverse (540131151), we get a palindrome (691262196).
The spelling of 151131045 in words is "one hundred fifty-one million, one hundred thirty-one thousand, forty-five".
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