Base | Representation |
---|---|
bin | 1100000010101… |
… | …11110110011010 |
3 | 21001002111200102 |
4 | 12001113312122 |
5 | 201330220010 |
6 | 14005135402 |
7 | 2334453035 |
oct | 601276632 |
9 | 231074612 |
10 | 101023130 |
11 | 5203019a |
12 | 299ba562 |
13 | 17c11400 |
14 | d5ba01c |
15 | 8d07ba5 |
hex | 6057d9a |
101023130 has 72 divisors (see below), whose sum is σ = 207660348. Its totient is φ = 35363328.
The previous prime is 101023127. The next prime is 101023157. The reversal of 101023130 is 31320101.
It can be written as a sum of positive squares in 6 ways, for example, as 529 + 101022601 = 23^2 + 10051^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 893954 + ... + 894066.
Almost surely, 2101023130 is an apocalyptic number.
101023130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
101023130 is an abundant number, since it is smaller than the sum of its proper divisors (106637218).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
101023130 is a wasteful number, since it uses less digits than its factorization.
101023130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 192 (or 156 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 11.
The square root of 101023130 is about 10051.0263157550. The cubic root of 101023130 is about 465.7364981098.
Adding to 101023130 its reverse (31320101), we get a palindrome (132343231).
The spelling of 101023130 in words is "one hundred one million, twenty-three thousand, one hundred thirty".
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