Base | Representation |
---|---|
bin | 110010100101001110… |
… | …010111101010101101 |
3 | 12012012001212220200211 |
4 | 302211032113222231 |
5 | 1342212233141044 |
6 | 40541142222421 |
7 | 3631615053211 |
oct | 624516275255 |
9 | 165161786624 |
10 | 54311615149 |
11 | 21040544360 |
12 | a638a24a11 |
13 | 51770c7cac |
14 | 28b31dc941 |
15 | 162d170634 |
hex | ca5397aad |
54311615149 has 8 divisors (see below), whose sum is σ = 59266334592. Its totient is φ = 49359779040.
The previous prime is 54311615129. The next prime is 54311615153. The reversal of 54311615149 is 94151611345.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 54311615149 - 25 = 54311615117 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 (54311615119) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 681349 + ... + 756874.
It is an arithmetic number, because the mean of its divisors is an integer number (7408291824).
Almost surely, 254311615149 is an apocalyptic number.
It is an amenable number.
54311615149 is a deficient number, since it is larger than the sum of its proper divisors (4954719443).
54311615149 is a wasteful number, since it uses less digits than its factorization.
54311615149 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1441667.
The product of its digits is 64800, while the sum is 40.
The spelling of 54311615149 in words is "fifty-four billion, three hundred eleven million, six hundred fifteen thousand, one hundred forty-nine".
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