Base | Representation |
---|---|
bin | 1011101101101111… |
… | …0110100000101010 |
3 | 22010011012021212200 |
4 | 2323123312200222 |
5 | 22420011444204 |
6 | 1240012321030 |
7 | 140633001156 |
oct | 27333664052 |
9 | 8104167780 |
10 | 3144640554 |
11 | 1374081aa0 |
12 | 739173176 |
13 | 3b1657b73 |
14 | 21b8d8066 |
15 | 136115539 |
hex | bb6f682a |
3144640554 has 24 divisors (see below), whose sum is σ = 7432787232. Its totient is φ = 952921320.
The previous prime is 3144640493. The next prime is 3144640559. The reversal of 3144640554 is 4550464413.
3144640554 is a `hidden beast` number, since 3 + 1 + 4 + 4 + 640 + 5 + 5 + 4 = 666.
It is a super-2 number, since 2×31446405542 = 19777528427722853832, which contains 22 as substring.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (3144640559) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7940814 + ... + 7941209.
It is an arithmetic number, because the mean of its divisors is an integer number (309699468).
Almost surely, 23144640554 is an apocalyptic number.
3144640554 is an abundant number, since it is smaller than the sum of its proper divisors (4288146678).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3144640554 is a wasteful number, since it uses less digits than its factorization.
3144640554 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15882042 (or 15882039 counting only the distinct ones).
The product of its (nonzero) digits is 115200, while the sum is 36.
The square root of 3144640554 is about 56077.0947357297. The cubic root of 3144640554 is about 1465.0653721795.
The spelling of 3144640554 in words is "three billion, one hundred forty-four million, six hundred forty thousand, five hundred fifty-four".
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