Base | Representation |
---|---|
bin | 11011001011100101… |
… | …011100110100110001 |
3 | 2210022222110201210020 |
4 | 123023211130310301 |
5 | 434232430133032 |
6 | 21224012154053 |
7 | 2052145526061 |
oct | 331345346461 |
9 | 83288421706 |
10 | 29185396017 |
11 | 11417438aa8 |
12 | 57a6168929 |
13 | 29a169abcb |
14 | 15ac19b3a1 |
15 | b5c369b2c |
hex | 6cb95cd31 |
29185396017 has 16 divisors (see below), whose sum is σ = 41610868992. Its totient is φ = 18131091200.
The previous prime is 29185395989. The next prime is 29185396057. The reversal of 29185396017 is 71069358192.
It is a cyclic number.
It is not a de Polignac number, because 29185396017 - 220 = 29184347441 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (51).
It is not an unprimeable number, because it can be changed into a prime (29185396057) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2827833 + ... + 2838134.
It is an arithmetic number, because the mean of its divisors is an integer number (2600679312).
Almost surely, 229185396017 is an apocalyptic number.
It is an amenable number.
29185396017 is a deficient number, since it is larger than the sum of its proper divisors (12425472975).
29185396017 is a wasteful number, since it uses less digits than its factorization.
29185396017 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5666088.
The product of its (nonzero) digits is 816480, while the sum is 51.
It can be divided in two parts, 2918 and 5396017, that added together give a palindrome (5398935).
The spelling of 29185396017 in words is "twenty-nine billion, one hundred eighty-five million, three hundred ninety-six thousand, seventeen".
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