Base | Representation |
---|---|
bin | 11011111010011010… |
… | …001011100101011011 |
3 | 2212100201200002000220 |
4 | 123322122023211123 |
5 | 442340032032341 |
6 | 21433553531123 |
7 | 2110465023054 |
oct | 337232134533 |
9 | 85321602026 |
10 | 29970970971 |
11 | 1178a9170a7 |
12 | 5985273aa3 |
13 | 2a98370066 |
14 | 164464d72b |
15 | ba62e2a66 |
hex | 6fa68b95b |
29970970971 has 8 divisors (see below), whose sum is σ = 39963303744. Its totient is φ = 19979642760.
The previous prime is 29970970963. The next prime is 29970970993. The reversal of 29970970971 is 17907907992.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 29970970971 - 23 = 29970970963 is a prime.
It is not an unprimeable number, because it can be changed into a prime (29970970961) 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, 178525 + ... + 303006.
It is an arithmetic number, because the mean of its divisors is an integer number (4995412968).
Almost surely, 229970970971 is an apocalyptic number.
29970970971 is a deficient number, since it is larger than the sum of its proper divisors (9992332773).
29970970971 is a wasteful number, since it uses less digits than its factorization.
29970970971 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 502281.
The product of its (nonzero) digits is 4500846, while the sum is 60.
The spelling of 29970970971 in words is "twenty-nine billion, nine hundred seventy million, nine hundred seventy thousand, nine hundred seventy-one".
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