Base | Representation |
---|---|
bin | 11100010101001100… |
… | …00011001100000000 |
3 | 1110021000112202220112 |
4 | 32022212003030000 |
5 | 222122243212344 |
6 | 10553141530452 |
7 | 1045630663550 |
oct | 161246031400 |
9 | 43230482815 |
10 | 15210132224 |
11 | 64a57a5511 |
12 | 2b45a13a28 |
13 | 1585240151 |
14 | a440c3160 |
15 | 5e04c0c9e |
hex | 38a983300 |
15210132224 has 36 divisors (see below), whose sum is σ = 34698118224. Its totient is φ = 6518627328.
The previous prime is 15210132199. The next prime is 15210132229. The reversal of 15210132224 is 42223101251.
It is a self number, because there is not a number n which added to its sum of digits gives 15210132224.
It is not an unprimeable number, because it can be changed into a prime (15210132229) 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, 4242107 + ... + 4245690.
Almost surely, 215210132224 is an apocalyptic number.
15210132224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
15210132224 is an abundant number, since it is smaller than the sum of its proper divisors (19487986000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15210132224 is an frugal number, since it uses more digits than its factorization.
15210132224 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8487820 (or 8487806 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 23.
Adding to 15210132224 its reverse (42223101251), we get a palindrome (57433233475).
The spelling of 15210132224 in words is "fifteen billion, two hundred ten million, one hundred thirty-two thousand, two hundred twenty-four".
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