Base | Representation |
---|---|
bin | 101111100010110111… |
… | …0001000110100101000 |
3 | 100202112121220021100210 |
4 | 1133011232020310220 |
5 | 3133100433012440 |
6 | 114523232301120 |
7 | 10243112016621 |
oct | 1370556106450 |
9 | 322477807323 |
10 | 102101454120 |
11 | 3a334677746 |
12 | 179556a17a0 |
13 | 9821cb9413 |
14 | 4d281a8a48 |
15 | 29c898ca80 |
hex | 17c5b88d28 |
102101454120 has 128 divisors (see below), whose sum is σ = 315431360640. Its totient is φ = 26419737600.
The previous prime is 102101454097. The next prime is 102101454127. The reversal of 102101454120 is 21454101201.
102101454120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (102101454127) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1625295 + ... + 1686945.
It is an arithmetic number, because the mean of its divisors is an integer number (2464307505).
Almost surely, 2102101454120 is an apocalyptic number.
102101454120 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 102101454120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157715680320).
102101454120 is an abundant number, since it is smaller than the sum of its proper divisors (213329906520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102101454120 is a wasteful number, since it uses less digits than its factorization.
102101454120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62075 (or 62071 counting only the distinct ones).
The product of its (nonzero) digits is 320, while the sum is 21.
Adding to 102101454120 its reverse (21454101201), we get a palindrome (123555555321).
The spelling of 102101454120 in words is "one hundred two billion, one hundred one million, four hundred fifty-four thousand, one hundred twenty".
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