Base | Representation |
---|---|
bin | 101111100010100000… |
… | …0001110100100001100 |
3 | 100202111210020211022100 |
4 | 1133011000032210030 |
5 | 3133034342402040 |
6 | 114522122315100 |
7 | 10242604513101 |
oct | 1370500164414 |
9 | 322453224270 |
10 | 102089419020 |
11 | 3a3288a7586 |
12 | 17951658a90 |
13 | 981c664464 |
14 | 4d26754aa8 |
15 | 29c78b1b30 |
hex | 17c500e90c |
102089419020 has 36 divisors (see below), whose sum is σ = 309671238240. Its totient is φ = 27223845024.
The previous prime is 102089419001. The next prime is 102089419037. The reversal of 102089419020 is 20914980201.
102089419020 is a `hidden beast` number, since 10 + 208 + 9 + 419 + 0 + 20 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-2 number, since 2×1020894190202 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
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, 283581540 + ... + 283581899.
It is an arithmetic number, because the mean of its divisors is an integer number (8601978840).
Almost surely, 2102089419020 is an apocalyptic number.
102089419020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
102089419020 is an abundant number, since it is smaller than the sum of its proper divisors (207581819220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102089419020 is a wasteful number, since it uses less digits than its factorization.
102089419020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 567163454 (or 567163449 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 36.
The spelling of 102089419020 in words is "one hundred two billion, eighty-nine million, four hundred nineteen thousand, twenty".
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