Base | Representation |
---|---|
bin | 11100110011111110… |
… | …111110010001100011 |
3 | 2221212001021020000010 |
4 | 130303332332101203 |
5 | 1001324322321331 |
6 | 22113501300003 |
7 | 2143434312363 |
oct | 346376762143 |
9 | 87761236003 |
10 | 30936917091 |
11 | 121360a0783 |
12 | 5bb4864603 |
13 | 2bc0516002 |
14 | 16d6a549a3 |
15 | c10ee8e46 |
hex | 733fbe463 |
30936917091 has 8 divisors (see below), whose sum is σ = 41250709584. Its totient is φ = 20623868000.
The previous prime is 30936917087. The next prime is 30936917129. The reversal of 30936917091 is 19071963903.
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 30936917091 - 22 = 30936917087 is a prime.
It is a super-4 number, since 4×309369170914 (a number of 43 digits) contains 4444 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30936917091.
It is not an unprimeable number, because it can be changed into a prime (30936917071) 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, 80160 + ... + 261341.
It is an arithmetic number, because the mean of its divisors is an integer number (5156338698).
Almost surely, 230936917091 is an apocalyptic number.
30936917091 is a deficient number, since it is larger than the sum of its proper divisors (10313792493).
30936917091 is a wasteful number, since it uses less digits than its factorization.
30936917091 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 371701.
The product of its (nonzero) digits is 275562, while the sum is 48.
The spelling of 30936917091 in words is "thirty billion, nine hundred thirty-six million, nine hundred seventeen thousand, ninety-one".
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