Base | Representation |
---|---|
bin | 101001111000010111… |
… | …1000010000000000000 |
3 | 22121010221121021200100 |
4 | 1103300233002000000 |
5 | 2433143140103340 |
6 | 105152251522400 |
7 | 6332516100135 |
oct | 1236057020000 |
9 | 277127537610 |
10 | 89938206720 |
11 | 3516285596a |
12 | 15520159400 |
13 | 8634097ccb |
14 | 44d2a1458c |
15 | 2515c22830 |
hex | 14f0bc2000 |
89938206720 has 168 divisors, whose sum is σ = 311768031276. Its totient is φ = 23983423488.
The previous prime is 89938206647. The next prime is 89938206739. The reversal of 89938206720 is 2760283998.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 82171662336 + 7766544384 = 286656^2 + 88128^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 246654 + ... + 490626.
Almost surely, 289938206720 is an apocalyptic number.
89938206720 is a gapful number since it is divisible by the number (80) 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 89938206720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155884015638).
89938206720 is an abundant number, since it is smaller than the sum of its proper divisors (221829824556).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89938206720 is a wasteful number, since it uses less digits than its factorization.
89938206720 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 244010 (or 243983 counting only the distinct ones).
The product of its (nonzero) digits is 2612736, while the sum is 54.
The spelling of 89938206720 in words is "eighty-nine billion, nine hundred thirty-eight million, two hundred six thousand, seven hundred twenty".
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