Base | Representation |
---|---|
bin | 1110001111011010101… |
… | …00010111010010111110 |
3 | 1201210000001102212211202 |
4 | 13013231110113102332 |
5 | 31004103041433232 |
6 | 1012442012215502 |
7 | 50231425353140 |
oct | 7075524272276 |
9 | 1653001385752 |
10 | 489312842942 |
11 | 1795753861a0 |
12 | 7a9b9a6a592 |
13 | 371acc99ac1 |
14 | 1997bb0ac90 |
15 | cadc78d162 |
hex | 71ed5174be |
489312842942 has 32 divisors (see below), whose sum is σ = 915317293824. Its totient is φ = 190591632000.
The previous prime is 489312842927. The next prime is 489312842951. The reversal of 489312842942 is 249248213984.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180518 + ... + 1005590.
It is an arithmetic number, because the mean of its divisors is an integer number (28603665432).
Almost surely, 2489312842942 is an apocalyptic number.
489312842942 is a deficient number, since it is larger than the sum of its proper divisors (426004450882).
489312842942 is a wasteful number, since it uses less digits than its factorization.
489312842942 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 828944.
The product of its digits is 7962624, while the sum is 56.
The spelling of 489312842942 in words is "four hundred eighty-nine billion, three hundred twelve million, eight hundred forty-two thousand, nine hundred forty-two".
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