Base | Representation |
---|---|
bin | 11011111111110101… |
… | …01111000000010001 |
3 | 1102210112111011211100 |
4 | 31333322233000101 |
5 | 221240414131301 |
6 | 10523302335013 |
7 | 1041324302412 |
oct | 157772570021 |
9 | 42715434740 |
10 | 15031005201 |
11 | 6413679753 |
12 | 2ab5a2a469 |
13 | 15570b3724 |
14 | a283b5809 |
15 | 5ce8db286 |
hex | 37feaf011 |
15031005201 has 9 divisors (see below), whose sum is σ = 21711983241. Its totient is φ = 10020424932.
The previous prime is 15031005161. The next prime is 15031005217. The reversal of 15031005201 is 10250013051.
The square root of 15031005201 is 122601.
It is a perfect power (a square), and thus also a powerful number.
15031005201 is a `hidden beast` number, since 150 + 310 + 0 + 5 + 201 = 666.
It is a tau number, because it is divible by the number of its divisors (9).
It is a de Polignac number, because none of the positive numbers 2k-15031005201 is a prime.
It is a super-2 number, since 2×150310052012 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (15031005221) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 347370 + ... + 388236.
Almost surely, 215031005201 is an apocalyptic number.
15031005201 is the 122601-st square number.
15031005201 is the 61301-st centered octagonal number.
It is an amenable number.
15031005201 is a deficient number, since it is larger than the sum of its proper divisors (6680978040).
15031005201 is an frugal number, since it uses more digits than its factorization.
15031005201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 81740 (or 40870 counting only the distinct ones).
The product of its (nonzero) digits is 150, while the sum is 18.
Adding to 15031005201 its reverse (10250013051), we get a palindrome (25281018252).
The spelling of 15031005201 in words is "fifteen billion, thirty-one million, five thousand, two hundred one".
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