Base | Representation |
---|---|
bin | 11100011111110110… |
… | …011010100101110001 |
3 | 2220222111122211111000 |
4 | 130133312122211301 |
5 | 1000131334120312 |
6 | 22020153312213 |
7 | 2132163210651 |
oct | 343766324561 |
9 | 86874584430 |
10 | 30599129457 |
11 | 11a82457946 |
12 | 5b1b705669 |
13 | 2b68547680 |
14 | 16a3c46361 |
15 | be1523adc |
hex | 71fd9a971 |
30599129457 has 16 divisors (see below), whose sum is σ = 48819124480. Its totient is φ = 18830233296.
The previous prime is 30599129441. The next prime is 30599129479. The reversal of 30599129457 is 75492199503.
30599129457 is a `hidden beast` number, since 3 + 0 + 599 + 1 + 2 + 9 + 45 + 7 = 666.
It is not a de Polignac number, because 30599129457 - 24 = 30599129441 is a prime.
It is a super-2 number, since 2×305991294572 (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 (30599129437) 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, 43588153 + ... + 43588854.
It is an arithmetic number, because the mean of its divisors is an integer number (3051195280).
Almost surely, 230599129457 is an apocalyptic number.
It is an amenable number.
30599129457 is a deficient number, since it is larger than the sum of its proper divisors (18219995023).
30599129457 is a wasteful number, since it uses less digits than its factorization.
30599129457 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 87177029 (or 87177023 counting only the distinct ones).
The product of its (nonzero) digits is 3061800, while the sum is 54.
The spelling of 30599129457 in words is "thirty billion, five hundred ninety-nine million, one hundred twenty-nine thousand, four hundred fifty-seven".
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