Base | Representation |
---|---|
bin | 101111101111111100… |
… | …0100110011001001100 |
3 | 100210200012212020210212 |
4 | 1133133320212121030 |
5 | 3140000320414200 |
6 | 115034552421552 |
7 | 10260022025015 |
oct | 1373770463114 |
9 | 323605766725 |
10 | 102540404300 |
11 | 3a53a426494 |
12 | 17a586a78b8 |
13 | 9891c17759 |
14 | 4d6a5cc00c |
15 | 2a02297035 |
hex | 17dfe2664c |
102540404300 has 72 divisors (see below), whose sum is σ = 224679432096. Its totient is φ = 40618639360.
The previous prime is 102540404273. The next prime is 102540404303. The reversal of 102540404300 is 3404045201.
It is not an unprimeable number, because it can be changed into a prime (102540404303) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4434569 + ... + 4457631.
It is an arithmetic number, because the mean of its divisors is an integer number (3120547668).
Almost surely, 2102540404300 is an apocalyptic number.
102540404300 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 102540404300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112339716048).
102540404300 is an abundant number, since it is smaller than the sum of its proper divisors (122139027796).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102540404300 is a wasteful number, since it uses less digits than its factorization.
102540404300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23507 (or 23500 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 23.
Adding to 102540404300 its reverse (3404045201), we get a palindrome (105944449501).
The spelling of 102540404300 in words is "one hundred two billion, five hundred forty million, four hundred four thousand, three hundred".
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