Base | Representation |
---|---|
bin | 11100000010101111… |
… | …10111110001100000 |
3 | 1102212020102121100010 |
4 | 32001113313301200 |
5 | 221313141424022 |
6 | 10525533524520 |
7 | 1042041651156 |
oct | 160127676140 |
9 | 42766377303 |
10 | 15055420512 |
11 | 64264352a0 |
12 | 2b02043740 |
13 | 155c181762 |
14 | a2b72d3d6 |
15 | 5d1b1050c |
hex | 3815f7c60 |
15055420512 has 96 divisors (see below), whose sum is σ = 44030697984. Its totient is φ = 4465164800.
The previous prime is 15055420511. The next prime is 15055420517. The reversal of 15055420512 is 21502455051.
15055420512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (96).
It is a self number, because there is not a number n which added to its sum of digits gives 15055420512.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15055420511) 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 15 ways as a sum of consecutive naturals, for example, 102039 + ... + 201302.
It is an arithmetic number, because the mean of its divisors is an integer number (458653104).
Almost surely, 215055420512 is an apocalyptic number.
15055420512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
15055420512 is an abundant number, since it is smaller than the sum of its proper divisors (28975277472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15055420512 is a wasteful number, since it uses less digits than its factorization.
15055420512 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 303412 (or 303404 counting only the distinct ones).
The product of its (nonzero) digits is 10000, while the sum is 30.
Adding to 15055420512 its reverse (21502455051), we get a palindrome (36557875563).
The spelling of 15055420512 in words is "fifteen billion, fifty-five million, four hundred twenty thousand, five hundred twelve".
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