Base | Representation |
---|---|
bin | 11100101001011100… |
… | …00110010110000110 |
3 | 1110200212012200112120 |
4 | 32110232012112012 |
5 | 222444240430340 |
6 | 11022051030410 |
7 | 1053062652222 |
oct | 162456062606 |
9 | 43625180476 |
10 | 15380014470 |
11 | 6582687567 |
12 | 2b9289b406 |
13 | 15b14b09a2 |
14 | a5c8a5782 |
15 | 60037b4d0 |
hex | 394b86586 |
15380014470 has 32 divisors (see below), whose sum is σ = 36924705792. Its totient is φ = 4099929312.
The previous prime is 15380014459. The next prime is 15380014477. The reversal of 15380014470 is 7441008351.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15380014477) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2379 + ... + 175401.
It is an arithmetic number, because the mean of its divisors is an integer number (1153897056).
Almost surely, 215380014470 is an apocalyptic number.
15380014470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
15380014470 is an abundant number, since it is smaller than the sum of its proper divisors (21544691322).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15380014470 is a wasteful number, since it uses less digits than its factorization.
15380014470 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 175996.
The product of its (nonzero) digits is 13440, while the sum is 33.
The spelling of 15380014470 in words is "fifteen billion, three hundred eighty million, fourteen thousand, four hundred seventy".
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