Base | Representation |
---|---|
bin | 10010000000111… |
… | …11110000010101 |
3 | 101112100221112201 |
4 | 21000133300111 |
5 | 302142000023 |
6 | 22555044501 |
7 | 3513353464 |
oct | 1100376025 |
9 | 345327481 |
10 | 151125013 |
11 | 78340506 |
12 | 42740731 |
13 | 25403cb0 |
14 | 160dc9db |
15 | d402bad |
hex | 901fc15 |
151125013 has 4 divisors (see below), whose sum is σ = 162750028. Its totient is φ = 139500000.
The previous prime is 151124971. The next prime is 151125017. The reversal of 151125013 is 310521151.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310521151 = 47 ⋅6606833.
It can be written as a sum of positive squares in 2 ways, for example, as 97278769 + 53846244 = 9863^2 + 7338^2 .
It is a cyclic number.
It is not a de Polignac number, because 151125013 - 225 = 117570581 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (151125017) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5812488 + ... + 5812513.
It is an arithmetic number, because the mean of its divisors is an integer number (40687507).
Almost surely, 2151125013 is an apocalyptic number.
151125013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
151125013 is a deficient number, since it is larger than the sum of its proper divisors (11625015).
151125013 is a wasteful number, since it uses less digits than its factorization.
151125013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11625014.
The product of its (nonzero) digits is 150, while the sum is 19.
The square root of 151125013 is about 12293.2913818879. The cubic root of 151125013 is about 532.6543160359.
Adding to 151125013 its reverse (310521151), we get a palindrome (461646164).
The spelling of 151125013 in words is "one hundred fifty-one million, one hundred twenty-five thousand, thirteen".
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