Base | Representation |
---|---|
bin | 10110100011000111… |
… | …10110111111010111 |
3 | 1011020200010222122112 |
4 | 23101203312333113 |
5 | 144243034214030 |
6 | 5321124421235 |
7 | 605664241610 |
oct | 132143667727 |
9 | 34220128575 |
10 | 12105773015 |
11 | 5152436496 |
12 | 241a24781b |
13 | 11ac049bcb |
14 | 82bab2c07 |
15 | 4acbb5a95 |
hex | 2d18f6fd7 |
12105773015 has 32 divisors (see below), whose sum is σ = 17987650560. Its totient is φ = 7631092224.
The previous prime is 12105772967. The next prime is 12105773023. The reversal of 12105773015 is 51037750121.
It is not a de Polignac number, because 12105773015 - 28 = 12105772759 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 210995 + ... + 262164.
It is an arithmetic number, because the mean of its divisors is an integer number (562114080).
Almost surely, 212105773015 is an apocalyptic number.
12105773015 is a deficient number, since it is larger than the sum of its proper divisors (5881877545).
12105773015 is a wasteful number, since it uses less digits than its factorization.
12105773015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 473231.
The product of its (nonzero) digits is 7350, while the sum is 32.
The spelling of 12105773015 in words is "twelve billion, one hundred five million, seven hundred seventy-three thousand, fifteen".
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