Base | Representation |
---|---|
bin | 11100101001010111… |
… | …110010101100101101 |
3 | 2221101122020200122220 |
4 | 130221113302230231 |
5 | 1000443232431101 |
6 | 22044101225553 |
7 | 2136143054130 |
oct | 345127625455 |
9 | 87348220586 |
10 | 30758873901 |
11 | 12054645248 |
12 | 5b651022b9 |
13 | 2b92678a02 |
14 | 16bb14a217 |
15 | c0057a636 |
hex | 7295f2b2d |
30758873901 has 16 divisors (see below), whose sum is σ = 47512731264. Its totient is φ = 17335724544.
The previous prime is 30758873851. The next prime is 30758873923. The reversal of 30758873901 is 10937885703.
It is not a de Polignac number, because 30758873901 - 26 = 30758873837 is a prime.
It is a super-2 number, since 2×307588739012 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30758853901) 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, 10030716 + ... + 10033781.
It is an arithmetic number, because the mean of its divisors is an integer number (2969545704).
Almost surely, 230758873901 is an apocalyptic number.
It is an amenable number.
30758873901 is a deficient number, since it is larger than the sum of its proper divisors (16753857363).
30758873901 is a wasteful number, since it uses less digits than its factorization.
30758873901 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20064580.
The product of its (nonzero) digits is 1270080, while the sum is 51.
The spelling of 30758873901 in words is "thirty billion, seven hundred fifty-eight million, eight hundred seventy-three thousand, nine hundred one".
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