Base | Representation |
---|---|
bin | 101111101111101001… |
… | …0100000110100100000 |
3 | 100210122112001222220222 |
4 | 1133133102200310200 |
5 | 3134440241420000 |
6 | 115033554422212 |
7 | 10256541122201 |
oct | 1373722406440 |
9 | 323575058828 |
10 | 102530420000 |
11 | 3a5348270a8 |
12 | 17a55291968 |
13 | 988cb30098 |
14 | 4d6914d5a8 |
15 | 2a01473a85 |
hex | 17df4a0d20 |
102530420000 has 120 divisors (see below), whose sum is σ = 253854612396. Its totient is φ = 40749696000.
The previous prime is 102530419963. The next prime is 102530420089. The reversal of 102530420000 is 24035201.
It can be written as a sum of positive squares in 10 ways, for example, as 18923854096 + 83606565904 = 137564^2 + 289148^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3123674 + ... + 3156326.
Almost surely, 2102530420000 is an apocalyptic number.
102530420000 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 102530420000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126927306198).
102530420000 is an abundant number, since it is smaller than the sum of its proper divisors (151324192396).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102530420000 is an equidigital number, since it uses as much as digits as its factorization.
102530420000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32840 (or 32817 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 17.
Adding to 102530420000 its reverse (24035201), we get a palindrome (102554455201).
The spelling of 102530420000 in words is "one hundred two billion, five hundred thirty million, four hundred twenty thousand".
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