Base | Representation |
---|---|
bin | 11100010100100101… |
… | …01000101101101011 |
3 | 1110020122222012212122 |
4 | 32022102220231223 |
5 | 222114442334201 |
6 | 10552440501455 |
7 | 1045536506402 |
oct | 161222505553 |
9 | 43218865778 |
10 | 15205043051 |
11 | 64a2939990 |
12 | 2b4417a88b |
13 | 158417a8c3 |
14 | a4355a639 |
15 | 5ded17e1b |
hex | 38a4a8b6b |
15205043051 has 8 divisors (see below), whose sum is σ = 16588406784. Its totient is φ = 13821860520.
The previous prime is 15205043027. The next prime is 15205043057. The reversal of 15205043051 is 15034050251.
15205043051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-15205043051 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 15205043051.
It is not an unprimeable number, because it can be changed into a prime (15205043057) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178070 + ... + 249236.
It is an arithmetic number, because the mean of its divisors is an integer number (2073550848).
Almost surely, 215205043051 is an apocalyptic number.
15205043051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
15205043051 is a deficient number, since it is larger than the sum of its proper divisors (1383363733).
15205043051 is a wasteful number, since it uses less digits than its factorization.
15205043051 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 90601.
The product of its (nonzero) digits is 3000, while the sum is 26.
The spelling of 15205043051 in words is "fifteen billion, two hundred five million, forty-three thousand, fifty-one".
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