Base | Representation |
---|---|
bin | 111100101001011010… |
… | …1100001011011000000 |
3 | 110110011120020120202000 |
4 | 1321102311201123000 |
5 | 4113212111443440 |
6 | 135455245024000 |
7 | 12260303242140 |
oct | 1712265413300 |
9 | 413146216660 |
10 | 130238781120 |
11 | 5026343a9a8 |
12 | 212a8855000 |
13 | c3874b9936 |
14 | 64370a4920 |
15 | 35c3ccd730 |
hex | 1e52d616c0 |
130238781120 has 224 divisors, whose sum is σ = 525089932800. Its totient is φ = 29768850432.
The previous prime is 130238781089. The next prime is 130238781131. The reversal of 130238781120 is 21187832031.
It is a tau number, because it is divible by the number of its divisors (224).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1016230 + ... + 1137189.
Almost surely, 2130238781120 is an apocalyptic number.
130238781120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
130238781120 is an abundant number, since it is smaller than the sum of its proper divisors (394851151680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130238781120 is a wasteful number, since it uses less digits than its factorization.
130238781120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2153452 (or 2153436 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 36.
The spelling of 130238781120 in words is "one hundred thirty billion, two hundred thirty-eight million, seven hundred eighty-one thousand, one hundred twenty".
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