Base | Representation |
---|---|
bin | 101001101110110111… |
… | …1111001101000011000 |
3 | 22120022202012210222201 |
4 | 1103131233321220120 |
5 | 2432020113324410 |
6 | 105100512255544 |
7 | 6321600414250 |
oct | 1233557715030 |
9 | 276282183881 |
10 | 89619667480 |
11 | 35009a696a2 |
12 | 154515415b4 |
13 | 85b30a8955 |
14 | 44a25b6960 |
15 | 24e7ca083a |
hex | 14ddbf9a18 |
89619667480 has 128 divisors (see below), whose sum is σ = 232672020480. Its totient is φ = 30431946240.
The previous prime is 89619667429. The next prime is 89619667547. The reversal of 89619667480 is 8476691698.
It is a happy number.
It is a congruent number.
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, 13123827 + ... + 13130653.
It is an arithmetic number, because the mean of its divisors is an integer number (1817750160).
Almost surely, 289619667480 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 89619667480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116336010240).
89619667480 is an abundant number, since it is smaller than the sum of its proper divisors (143052353000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89619667480 is a wasteful number, since it uses less digits than its factorization.
89619667480 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7289 (or 7285 counting only the distinct ones).
The product of its (nonzero) digits is 31352832, while the sum is 64.
The spelling of 89619667480 in words is "eighty-nine billion, six hundred nineteen million, six hundred sixty-seven thousand, four hundred eighty".
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