Base | Representation |
---|---|
bin | 101111101100011010… |
… | …1010101101011010000 |
3 | 100210100222021020000000 |
4 | 1133120311111223100 |
5 | 3134230024441010 |
6 | 115015125130000 |
7 | 10254054363300 |
oct | 1373065255320 |
9 | 323328236000 |
10 | 102422108880 |
11 | 3a489679383 |
12 | 17a24b59900 |
13 | 9873569670 |
14 | 4d589d7600 |
15 | 29e6bcb7c0 |
hex | 17d8d55ad0 |
102422108880 has 960 divisors, whose sum is σ = 447896332800. Its totient is φ = 21586424832.
The previous prime is 102422108837. The next prime is 102422108881. The reversal of 102422108880 is 88801224201.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102422108881) by changing a digit.
It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 111449061 + ... + 111449979.
It is an arithmetic number, because the mean of its divisors is an integer number (466558680).
Almost surely, 2102422108880 is an apocalyptic number.
102422108880 is a gapful number since it is divisible by the number (10) 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 102422108880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223948166400).
102422108880 is an abundant number, since it is smaller than the sum of its proper divisors (345474223920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102422108880 is an equidigital number, since it uses as much as digits as its factorization.
102422108880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 980 (or 949 counting only the distinct ones).
The product of its (nonzero) digits is 16384, while the sum is 36.
The spelling of 102422108880 in words is "one hundred two billion, four hundred twenty-two million, one hundred eight thousand, eight hundred eighty".
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