Base | Representation |
---|---|
bin | 11100001011110100… |
… | …01101001111110011 |
3 | 1110001112122101020110 |
4 | 32011322031033303 |
5 | 221442132431402 |
6 | 10541253112403 |
7 | 1043654612322 |
oct | 160572151763 |
9 | 43045571213 |
10 | 15131530227 |
11 | 6465399690 |
12 | 2b23628703 |
13 | 1571b7c1a8 |
14 | a378a20b9 |
15 | 5d864656c |
hex | 385e8d3f3 |
15131530227 has 8 divisors (see below), whose sum is σ = 22009498560. Its totient is φ = 9170624360.
The previous prime is 15131530207. The next prime is 15131530243. The reversal of 15131530227 is 72203513151.
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 15131530227 - 212 = 15131526131 is a prime.
It is a super-2 number, since 2×151315302272 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 15131530194 and 15131530203.
It is not an unprimeable number, because it can be changed into a prime (15131530207) 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, 229265577 + ... + 229265642.
It is an arithmetic number, because the mean of its divisors is an integer number (2751187320).
Almost surely, 215131530227 is an apocalyptic number.
15131530227 is a deficient number, since it is larger than the sum of its proper divisors (6877968333).
15131530227 is a wasteful number, since it uses less digits than its factorization.
15131530227 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 458531233.
The product of its (nonzero) digits is 6300, while the sum is 30.
The spelling of 15131530227 in words is "fifteen billion, one hundred thirty-one million, five hundred thirty thousand, two hundred twenty-seven".
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