Base | Representation |
---|---|
bin | 11100011110010001… |
… | …111011010010111001 |
3 | 2220220200002111020202 |
4 | 130132101323102321 |
5 | 1000103113134443 |
6 | 22013412531545 |
7 | 2131423254266 |
oct | 343621732271 |
9 | 86820074222 |
10 | 30572786873 |
11 | 11a695a5312 |
12 | 5b12920bb5 |
13 | 2b62c53345 |
14 | 16a054a26d |
15 | bde06d7b8 |
hex | 71e47b4b9 |
30572786873 has 8 divisors (see below), whose sum is σ = 30836265600. Its totient is φ = 30309930288.
The previous prime is 30572786857. The next prime is 30572786879. The reversal of 30572786873 is 37868727503.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30572786873 - 24 = 30572786857 is a prime.
It is a super-2 number, since 2×305727868732 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30572786879) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56561 + ... + 253662.
It is an arithmetic number, because the mean of its divisors is an integer number (3854533200).
Almost surely, 230572786873 is an apocalyptic number.
It is an amenable number.
30572786873 is a deficient number, since it is larger than the sum of its proper divisors (263478727).
30572786873 is a wasteful number, since it uses less digits than its factorization.
30572786873 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 311071.
The product of its (nonzero) digits is 11854080, while the sum is 56.
The spelling of 30572786873 in words is "thirty billion, five hundred seventy-two million, seven hundred eighty-six thousand, eight hundred seventy-three".
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