Base | Representation |
---|---|
bin | 11100100010001000… |
… | …100110011101111001 |
3 | 2221002011202202221012 |
4 | 130202020212131321 |
5 | 1000221141414004 |
6 | 22024042523305 |
7 | 2133140015645 |
oct | 344210463571 |
9 | 87064682835 |
10 | 30637451129 |
11 | 11aa205154a |
12 | 5b30506535 |
13 | 2b7347430c |
14 | 16a8d7dc25 |
15 | be4a9346e |
hex | 722226779 |
30637451129 has 2 divisors, whose sum is σ = 30637451130. Its totient is φ = 30637451128.
The previous prime is 30637451107. The next prime is 30637451183. The reversal of 30637451129 is 92115473603.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 28105851904 + 2531599225 = 167648^2 + 50315^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30637451129 is a prime.
It is not a weakly prime, because it can be changed into another prime (30637441129) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15318725564 + 15318725565.
It is an arithmetic number, because the mean of its divisors is an integer number (15318725565).
Almost surely, 230637451129 is an apocalyptic number.
It is an amenable number.
30637451129 is a deficient number, since it is larger than the sum of its proper divisors (1).
30637451129 is an equidigital number, since it uses as much as digits as its factorization.
30637451129 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 136080, while the sum is 41.
The spelling of 30637451129 in words is "thirty billion, six hundred thirty-seven million, four hundred fifty-one thousand, one hundred twenty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •