Base | Representation |
---|---|
bin | 11100001101011101… |
… | …10000100100110111 |
3 | 1110002111120021121221 |
4 | 32012232300210313 |
5 | 222004144301143 |
6 | 10542504251211 |
7 | 1044212660212 |
oct | 160656604467 |
9 | 43074507557 |
10 | 15145306423 |
11 | 6472148975 |
12 | 2b28170b07 |
13 | 15749937a0 |
14 | a3964a779 |
15 | 5d99682ed |
hex | 386bb0937 |
15145306423 has 16 divisors (see below), whose sum is σ = 16577326080. Its totient is φ = 13752440064.
The previous prime is 15145306417. The next prime is 15145306433. The reversal of 15145306423 is 32460354151.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-15145306423 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15145306433) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342633 + ... + 384301.
It is an arithmetic number, because the mean of its divisors is an integer number (1036082880).
Almost surely, 215145306423 is an apocalyptic number.
15145306423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
15145306423 is a deficient number, since it is larger than the sum of its proper divisors (1432019657).
15145306423 is a wasteful number, since it uses less digits than its factorization.
15145306423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42138.
The product of its (nonzero) digits is 43200, while the sum is 34.
The spelling of 15145306423 in words is "fifteen billion, one hundred forty-five million, three hundred six thousand, four hundred twenty-three".
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