Base | Representation |
---|---|
bin | 11001010001111001… |
… | …00101000100001110 |
3 | 1022000211212110222112 |
4 | 30220330211010032 |
5 | 210243344332430 |
6 | 10122420144022 |
7 | 660215666666 |
oct | 145074450416 |
9 | 38024773875 |
10 | 13571870990 |
11 | 5834a70607 |
12 | 2769238012 |
13 | 13839cc0c2 |
14 | 92a6ad1a6 |
15 | 546765195 |
hex | 328f2510e |
13571870990 has 32 divisors (see below), whose sum is σ = 25225046784. Its totient is φ = 5252037120.
The previous prime is 13571870971. The next prime is 13571871007. The reversal of 13571870990 is 9907817531.
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, 1936172 + ... + 1943168.
It is an arithmetic number, because the mean of its divisors is an integer number (788282712).
Almost surely, 213571870990 is an apocalyptic number.
13571870990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13571870990 is a deficient number, since it is larger than the sum of its proper divisors (11653175794).
13571870990 is a wasteful number, since it uses less digits than its factorization.
13571870990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13292.
The product of its (nonzero) digits is 476280, while the sum is 50.
The spelling of 13571870990 in words is "thirteen billion, five hundred seventy-one million, eight hundred seventy thousand, nine hundred ninety".
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