Base | Representation |
---|---|
bin | 11100110010111110001… |
… | …10001101101011001000 |
3 | 10111120220122001022101012 |
4 | 32121133012031223020 |
5 | 112202332103124342 |
6 | 2034312544543052 |
7 | 131325123513260 |
oct | 16313706155310 |
9 | 3446818038335 |
10 | 989437942472 |
11 | 351688a18831 |
12 | 13b914921a88 |
13 | 723c4008965 |
14 | 35c637b67a0 |
15 | 1ab0e382b82 |
hex | e65f18dac8 |
989437942472 has 64 divisors (see below), whose sum is σ = 2181617452800. Its totient is φ = 411924614400.
The previous prime is 989437942459. The next prime is 989437942541. The reversal of 989437942472 is 274249734989.
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, 1350572 + ... + 1950107.
It is an arithmetic number, because the mean of its divisors is an integer number (34087772700).
Almost surely, 2989437942472 is an apocalyptic number.
It is an amenable number.
989437942472 is an abundant number, since it is smaller than the sum of its proper divisors (1192179510328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
989437942472 is a wasteful number, since it uses less digits than its factorization.
989437942472 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3300846 (or 3300842 counting only the distinct ones).
The product of its digits is 219469824, while the sum is 68.
The spelling of 989437942472 in words is "nine hundred eighty-nine billion, four hundred thirty-seven million, nine hundred forty-two thousand, four hundred seventy-two".
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