Base | Representation |
---|---|
bin | 11100000011011110… |
… | …100010111100110011 |
3 | 2212202022221112210222 |
4 | 130003132202330303 |
5 | 443143004011240 |
6 | 21501030443255 |
7 | 2114323132463 |
oct | 340336427463 |
9 | 85668845728 |
10 | 30123110195 |
11 | 1185878a5a2 |
12 | 5a0820352b |
13 | 2ac0a3a879 |
14 | 165a933ba3 |
15 | bb4845eb5 |
hex | 7037a2f33 |
30123110195 has 8 divisors (see below), whose sum is σ = 36154142640. Its totient is φ = 24094214560.
The previous prime is 30123110179. The next prime is 30123110201. The reversal of 30123110195 is 59101132103.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30123110195 - 24 = 30123110179 is a prime.
It is a super-2 number, since 2×301231101952 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 503021 + ... + 559710.
It is an arithmetic number, because the mean of its divisors is an integer number (4519267830).
Almost surely, 230123110195 is an apocalyptic number.
30123110195 is a deficient number, since it is larger than the sum of its proper divisors (6031032445).
30123110195 is a wasteful number, since it uses less digits than its factorization.
30123110195 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1068405.
The product of its (nonzero) digits is 810, while the sum is 26.
Adding to 30123110195 its reverse (59101132103), we get a palindrome (89224242298).
The spelling of 30123110195 in words is "thirty billion, one hundred twenty-three million, one hundred ten thousand, one hundred ninety-five".
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