Base | Representation |
---|---|
bin | 1110001111000010111… |
… | …01110000101111101000 |
3 | 1201202111012020121000011 |
4 | 13013201131300233220 |
5 | 31003201134324010 |
6 | 1012410150021304 |
7 | 50223462142351 |
oct | 7074135605750 |
9 | 1652435217004 |
10 | 489113979880 |
11 | 1794830aa459 |
12 | 7a963347834 |
13 | 3717aa20156 |
14 | 1995d542d28 |
15 | caca0aaa8a |
hex | 71e1770be8 |
489113979880 has 64 divisors (see below), whose sum is σ = 1107498090240. Its totient is φ = 194406504192.
The previous prime is 489113979863. The next prime is 489113979901. The reversal of 489113979880 is 88979311984.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4006219 + ... + 4126501.
It is an arithmetic number, because the mean of its divisors is an integer number (17304657660).
Almost surely, 2489113979880 is an apocalyptic number.
489113979880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
489113979880 is an abundant number, since it is smaller than the sum of its proper divisors (618384110360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
489113979880 is a wasteful number, since it uses less digits than its factorization.
489113979880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 120938 (or 120934 counting only the distinct ones).
The product of its (nonzero) digits is 31352832, while the sum is 67.
The spelling of 489113979880 in words is "four hundred eighty-nine billion, one hundred thirteen million, nine hundred seventy-nine thousand, eight hundred eighty".
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