Base | Representation |
---|---|
bin | 1011010100110111111… |
… | …01000101110111101101 |
3 | 1101012111110212011101120 |
4 | 11222123331011313231 |
5 | 22334001331234244 |
6 | 454440153131153 |
7 | 40054556340012 |
oct | 5523375056755 |
9 | 1335443764346 |
10 | 389163539949 |
11 | 140052744598 |
12 | 6350a0b9ab9 |
13 | 2a90c5737c2 |
14 | 14b9ad03709 |
15 | a1ca3b0819 |
hex | 5a9bf45ded |
389163539949 has 16 divisors (see below), whose sum is σ = 543166930944. Its totient is φ = 247537004400.
The previous prime is 389163539917. The next prime is 389163539959. The reversal of 389163539949 is 949935361983.
It is not a de Polignac number, because 389163539949 - 25 = 389163539917 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (389163539959) 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, 29462089 + ... + 29475294.
It is an arithmetic number, because the mean of its divisors is an integer number (33947933184).
Almost surely, 2389163539949 is an apocalyptic number.
It is an amenable number.
389163539949 is a deficient number, since it is larger than the sum of its proper divisors (154003390995).
389163539949 is a wasteful number, since it uses less digits than its factorization.
389163539949 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58937488.
The product of its digits is 170061120, while the sum is 69.
The spelling of 389163539949 in words is "three hundred eighty-nine billion, one hundred sixty-three million, five hundred thirty-nine thousand, nine hundred forty-nine".
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