Base | Representation |
---|---|
bin | 11100010101010110… |
… | …01100010110101110 |
3 | 1110021010002021101110 |
4 | 32022223030112232 |
5 | 222123114333434 |
6 | 10553230452450 |
7 | 1045645310430 |
oct | 161253142656 |
9 | 43233067343 |
10 | 15211480494 |
11 | 64a6536491 |
12 | 2b46364126 |
13 | 15855c2a42 |
14 | a44354650 |
15 | 5e068a4e9 |
hex | 38aacc5ae |
15211480494 has 32 divisors (see below), whose sum is σ = 35209221120. Its totient is φ = 4291121952.
The previous prime is 15211480409. The next prime is 15211480517. The reversal of 15211480494 is 49408411251.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2288949 + ... + 2295584.
It is an arithmetic number, because the mean of its divisors is an integer number (1100288160).
Almost surely, 215211480494 is an apocalyptic number.
15211480494 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
15211480494 is an abundant number, since it is smaller than the sum of its proper divisors (19997740626).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15211480494 is a wasteful number, since it uses less digits than its factorization.
15211480494 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4584624.
The product of its (nonzero) digits is 46080, while the sum is 39.
The spelling of 15211480494 in words is "fifteen billion, two hundred eleven million, four hundred eighty thousand, four hundred ninety-four".
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