Base | Representation |
---|---|
bin | 11011110110000000… |
… | …100111010110010101 |
3 | 2212011120210002112101 |
4 | 123312000213112111 |
5 | 442212133110320 |
6 | 21422355522101 |
7 | 2105610445012 |
oct | 336600472625 |
9 | 85146702471 |
10 | 29897160085 |
11 | 11752192971 |
12 | 59645b9331 |
13 | 2a85c98a90 |
14 | 1638918709 |
15 | b9eab2c0a |
hex | 6f6027595 |
29897160085 has 16 divisors (see below), whose sum is σ = 38653743744. Its totient is φ = 22067952192.
The previous prime is 29897160067. The next prime is 29897160131. The reversal of 29897160085 is 58006179892.
It is not a de Polignac number, because 29897160085 - 25 = 29897160053 is a prime.
It is a super-2 number, since 2×298971600852 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43264 + ... + 248326.
It is an arithmetic number, because the mean of its divisors is an integer number (2415858984).
Almost surely, 229897160085 is an apocalyptic number.
It is an amenable number.
29897160085 is a deficient number, since it is larger than the sum of its proper divisors (8756583659).
29897160085 is a wasteful number, since it uses less digits than its factorization.
29897160085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 207324.
The product of its (nonzero) digits is 2177280, while the sum is 55.
The spelling of 29897160085 in words is "twenty-nine billion, eight hundred ninety-seven million, one hundred sixty thousand, eighty-five".
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