Base | Representation |
---|---|
bin | 11011111010011100… |
… | …111111100010110100 |
3 | 2212100210001112011101 |
4 | 123322130333202310 |
5 | 442340224124314 |
6 | 21434021415444 |
7 | 2110504213063 |
oct | 337234774264 |
9 | 85323045141 |
10 | 29971708084 |
11 | 1179027a98a |
12 | 598556a584 |
13 | 2a9856a716 |
14 | 16447a21da |
15 | ba63db174 |
hex | 6fa73f8b4 |
29971708084 has 24 divisors (see below), whose sum is σ = 55543303368. Its totient is φ = 14102430720.
The previous prime is 29971708073. The next prime is 29971708087. The reversal of 29971708084 is 48080717992.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 17027640100 + 12944067984 = 130490^2 + 113772^2 .
It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29971708087) 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, 564922 + ... + 615694.
It is an arithmetic number, because the mean of its divisors is an integer number (2314304307).
Almost surely, 229971708084 is an apocalyptic number.
It is an amenable number.
29971708084 is a deficient number, since it is larger than the sum of its proper divisors (25571595284).
29971708084 is a wasteful number, since it uses less digits than its factorization.
29971708084 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59475 (or 59473 counting only the distinct ones).
The product of its (nonzero) digits is 2032128, while the sum is 55.
The spelling of 29971708084 in words is "twenty-nine billion, nine hundred seventy-one million, seven hundred eight thousand, eighty-four".
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