Base | Representation |
---|---|
bin | 11100000110111011… |
… | …101111011111100111 |
3 | 2212220101001111120010 |
4 | 130012323233133213 |
5 | 443302330023044 |
6 | 21510501341303 |
7 | 2115626035530 |
oct | 340673573747 |
9 | 85811044503 |
10 | 30181095399 |
11 | 11888494754 |
12 | 5a23707833 |
13 | 2acca60740 |
14 | 1664509687 |
15 | bb999bbb9 |
hex | 706eef7e7 |
30181095399 has 64 divisors (see below), whose sum is σ = 50380166144. Its totient is φ = 15647302656.
The previous prime is 30181095317. The next prime is 30181095407. The reversal of 30181095399 is 99359018103.
It is not a de Polignac number, because 30181095399 - 29 = 30181094887 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30181095799) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6115737 + ... + 6120669.
It is an arithmetic number, because the mean of its divisors is an integer number (787190096).
Almost surely, 230181095399 is an apocalyptic number.
30181095399 is a gapful number since it is divisible by the number (39) formed by its first and last digit.
30181095399 is a deficient number, since it is larger than the sum of its proper divisors (20199070745).
30181095399 is a wasteful number, since it uses less digits than its factorization.
30181095399 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5336.
The product of its (nonzero) digits is 262440, while the sum is 48.
The spelling of 30181095399 in words is "thirty billion, one hundred eighty-one million, ninety-five thousand, three hundred ninety-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •