Base | Representation |
---|---|
bin | 11110101110010110… |
… | …110100100100000000 |
3 | 10011011010111002100220 |
4 | 132232112310210000 |
5 | 1020030414122440 |
6 | 23053321543040 |
7 | 2245344165204 |
oct | 365626644400 |
9 | 104133432326 |
10 | 32989989120 |
11 | 12a99a97120 |
12 | 6488344a80 |
13 | 3159982b2a |
14 | 184d5a6b04 |
15 | cd13918d0 |
hex | 7ae5b4900 |
32989989120 has 288 divisors, whose sum is σ = 115259034240. Its totient is φ = 7975403520.
The previous prime is 32989989113. The next prime is 32989989143. The reversal of 32989989120 is 2198998923.
It is a Harshad number since it is a multiple of its sum of digits (60).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19302826 + ... + 19304534.
It is an arithmetic number, because the mean of its divisors is an integer number (400204980).
Almost surely, 232989989120 is an apocalyptic number.
32989989120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 32989989120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57629517120).
32989989120 is an abundant number, since it is smaller than the sum of its proper divisors (82269045120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
32989989120 is a wasteful number, since it uses less digits than its factorization.
32989989120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2201 (or 2187 counting only the distinct ones).
The product of its (nonzero) digits is 5038848, while the sum is 60.
The spelling of 32989989120 in words is "thirty-two billion, nine hundred eighty-nine million, nine hundred eighty-nine thousand, one hundred twenty".
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