Base | Representation |
---|---|
bin | 11100101010011111… |
… | …100111111011001111 |
3 | 2221102221200100220021 |
4 | 130222133213323033 |
5 | 1001013043013033 |
6 | 22050013003011 |
7 | 2136462111604 |
oct | 345237477317 |
9 | 87387610807 |
10 | 30777704143 |
11 | 1206423672a |
12 | 5b6b483467 |
13 | 2b9653c874 |
14 | 16bd84c6ab |
15 | c02049b2d |
hex | 72a7e7ecf |
30777704143 has 16 divisors (see below), whose sum is σ = 31782199680. Its totient is φ = 29788286976.
The previous prime is 30777704141. The next prime is 30777704201. The reversal of 30777704143 is 34140777703.
It is a cyclic number.
It is not a de Polignac number, because 30777704143 - 21 = 30777704141 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30777704143.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30777704141) 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, 8719603 + ... + 8723131.
It is an arithmetic number, because the mean of its divisors is an integer number (1986387480).
Almost surely, 230777704143 is an apocalyptic number.
30777704143 is a deficient number, since it is larger than the sum of its proper divisors (1004495537).
30777704143 is a wasteful number, since it uses less digits than its factorization.
30777704143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5586.
The product of its (nonzero) digits is 345744, while the sum is 43.
The spelling of 30777704143 in words is "thirty billion, seven hundred seventy-seven million, seven hundred four thousand, one hundred forty-three".
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