Base | Representation |
---|---|
bin | 1101101100110111001100… |
… | …00010100110010101000110 |
3 | 10221200021121002110021111010 |
4 | 12312123212002212111012 |
5 | 12422112200033230420 |
6 | 144024543350023050 |
7 | 6226505521656663 |
oct | 666334602462506 |
9 | 127607532407433 |
10 | 30128760055110 |
11 | 9666598661242 |
12 | 34671a4947a86 |
13 | 13a718c474b82 |
14 | 76234dcc8a6a |
15 | 373ab8d614e0 |
hex | 1b66e60a6546 |
30128760055110 has 32 divisors (see below), whose sum is σ = 72309713944032. Its totient is φ = 8034259368960.
The previous prime is 30128760055091. The next prime is 30128760055111. The reversal of 30128760055110 is 1155006782103.
It is a super-2 number, since 2×301287600551102 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30128760055111) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1557451 + ... + 7917270.
It is an arithmetic number, because the mean of its divisors is an integer number (2259678560751).
Almost surely, 230128760055110 is an apocalyptic number.
30128760055110 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30128760055110 is an abundant number, since it is smaller than the sum of its proper divisors (42180953888922).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30128760055110 is a wasteful number, since it uses less digits than its factorization.
30128760055110 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9580728.
The product of its (nonzero) digits is 50400, while the sum is 39.
The spelling of 30128760055110 in words is "thirty trillion, one hundred twenty-eight billion, seven hundred sixty million, fifty-five thousand, one hundred ten".
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