Base | Representation |
---|---|
bin | 11100000011011101… |
… | …00101011011000101 |
3 | 1102212122122002220011 |
4 | 32001232211123011 |
5 | 221321202442121 |
6 | 10530305310221 |
7 | 1042143400204 |
oct | 160156453305 |
9 | 42778562804 |
10 | 15061374661 |
11 | 6429831783 |
12 | 2b04035371 |
13 | 1560487918 |
14 | a2c43d23b |
15 | 5d23d97e1 |
hex | 381ba56c5 |
15061374661 has 8 divisors (see below), whose sum is σ = 15421656800. Its totient is φ = 14701547952.
The previous prime is 15061374659. The next prime is 15061374667. The reversal of 15061374661 is 16647316051.
15061374661 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 not a de Polignac number, because 15061374661 - 21 = 15061374659 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 (15061374667) 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, 46455 + ... + 179668.
It is an arithmetic number, because the mean of its divisors is an integer number (1927707100).
Almost surely, 215061374661 is an apocalyptic number.
It is an amenable number.
15061374661 is a deficient number, since it is larger than the sum of its proper divisors (360282139).
15061374661 is a wasteful number, since it uses less digits than its factorization.
15061374661 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 227715.
The product of its (nonzero) digits is 90720, while the sum is 40.
The spelling of 15061374661 in words is "fifteen billion, sixty-one million, three hundred seventy-four thousand, six hundred sixty-one".
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