Base | Representation |
---|---|
bin | 11100110001110110… |
… | …101101011110010011 |
3 | 2221202120001102211100 |
4 | 130301312231132103 |
5 | 1001241201243231 |
6 | 22110143515443 |
7 | 2142521560311 |
oct | 346166553623 |
9 | 87676042740 |
10 | 30901196691 |
11 | 12117a13492 |
12 | 5ba48b8b83 |
13 | 2bb5cba391 |
14 | 16d1dd70b1 |
15 | c0cce01e6 |
hex | 731dad793 |
30901196691 has 24 divisors (see below), whose sum is σ = 45488757600. Its totient is φ = 20206982016.
The previous prime is 30901196663. The next prime is 30901196699. The reversal of 30901196691 is 19669110903.
It is not a de Polignac number, because 30901196691 - 210 = 30901195667 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30901196699) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3142815 + ... + 3152631.
It is an arithmetic number, because the mean of its divisors is an integer number (1895364900).
Almost surely, 230901196691 is an apocalyptic number.
30901196691 is a deficient number, since it is larger than the sum of its proper divisors (14587560909).
30901196691 is a wasteful number, since it uses less digits than its factorization.
30901196691 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16475 (or 16472 counting only the distinct ones).
The product of its (nonzero) digits is 78732, while the sum is 45.
The spelling of 30901196691 in words is "thirty billion, nine hundred one million, one hundred ninety-six thousand, six hundred ninety-one".
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