Base | Representation |
---|---|
bin | 1110110111000110… |
… | …1001100010001111 |
3 | 101022000102010201121 |
4 | 3231301221202033 |
5 | 31132214343000 |
6 | 1455502421411 |
7 | 200566525345 |
oct | 35561514217 |
9 | 11260363647 |
10 | 3989215375 |
11 | 1767898612 |
12 | 933b91867 |
13 | 4b7616992 |
14 | 29bb47995 |
15 | 185344b1a |
hex | edc6988f |
3989215375 has 16 divisors (see below), whose sum is σ = 4980463488. Its totient is φ = 3190140000.
The previous prime is 3989215367. The next prime is 3989215453. The reversal of 3989215375 is 5735129893.
It is not a de Polignac number, because 3989215375 - 23 = 3989215367 is a prime.
It is a Duffinian number.
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, 458314 + ... + 466936.
It is an arithmetic number, because the mean of its divisors is an integer number (311278968).
Almost surely, 23989215375 is an apocalyptic number.
3989215375 is a deficient number, since it is larger than the sum of its proper divisors (991248113).
3989215375 is an equidigital number, since it uses as much as digits as its factorization.
3989215375 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12339 (or 12329 counting only the distinct ones).
The product of its digits is 2041200, while the sum is 52.
The square root of 3989215375 is about 63160.2357104531. The cubic root of 3989215375 is about 1585.9731408186.
The spelling of 3989215375 in words is "three billion, nine hundred eighty-nine million, two hundred fifteen thousand, three hundred seventy-five".
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