Base | Representation |
---|---|
bin | 1101100101101101100111… |
… | …11111010010000010000110 |
3 | 10220210210112010020200210221 |
4 | 12302312303333102002012 |
5 | 12404101100420020440 |
6 | 143320035424334554 |
7 | 6202661153032405 |
oct | 662666377220206 |
9 | 126723463220727 |
10 | 29883107188870 |
11 | 9581399a58a21 |
12 | 342766817445a |
13 | 1389c70bc90a0 |
14 | 7544c898d63c |
15 | 36c4dc9dbd4a |
hex | 1b2db3fd2086 |
29883107188870 has 64 divisors (see below), whose sum is σ = 60283577531520. Its totient is φ = 10589495712768.
The previous prime is 29883107188867. The next prime is 29883107188877. The reversal of 29883107188870 is 7888170138892.
It is a super-2 number, since 2×298831071888702 (a number of 28 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 29883107188870.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29883107188877) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23102607 + ... + 24361786.
It is an arithmetic number, because the mean of its divisors is an integer number (941930898930).
Almost surely, 229883107188870 is an apocalyptic number.
29883107188870 is an abundant number, since it is smaller than the sum of its proper divisors (30400470342650).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29883107188870 is a wasteful number, since it uses less digits than its factorization.
29883107188870 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47464609.
The product of its (nonzero) digits is 86704128, while the sum is 70.
The spelling of 29883107188870 in words is "twenty-nine trillion, eight hundred eighty-three billion, one hundred seven million, one hundred eighty-eight thousand, eight hundred seventy".
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