Base | Representation |
---|---|
bin | 11100000110010111… |
… | …00111011001011011 |
3 | 1102221100112010020002 |
4 | 32003023213121123 |
5 | 221343423342024 |
6 | 10532540123215 |
7 | 1042560601550 |
oct | 160313473133 |
9 | 42840463202 |
10 | 15085762139 |
11 | 6441579418 |
12 | 2b1023650b |
13 | 1565546096 |
14 | a3178aa27 |
15 | 5d46056ae |
hex | 3832e765b |
15085762139 has 16 divisors (see below), whose sum is σ = 18163841280. Its totient is φ = 12239592480.
The previous prime is 15085762127. The next prime is 15085762171. The reversal of 15085762139 is 93126758051.
It is a cyclic number.
It is not a de Polignac number, because 15085762139 - 228 = 14817326683 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 15085762093 and 15085762102.
It is not an unprimeable number, because it can be changed into a prime (15085762339) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109052 + ... + 205094.
It is an arithmetic number, because the mean of its divisors is an integer number (1135240080).
Almost surely, 215085762139 is an apocalyptic number.
15085762139 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
15085762139 is a deficient number, since it is larger than the sum of its proper divisors (3078079141).
15085762139 is a wasteful number, since it uses less digits than its factorization.
15085762139 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 97250.
The product of its (nonzero) digits is 453600, while the sum is 47.
The spelling of 15085762139 in words is "fifteen billion, eighty-five million, seven hundred sixty-two thousand, one hundred thirty-nine".
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