Base | Representation |
---|---|
bin | 10010110010010111… |
… | …010000011110010011 |
3 | 1221001211202112201010 |
4 | 102302113100132103 |
5 | 312303102413134 |
6 | 13133402342003 |
7 | 1312613544432 |
oct | 226227203623 |
9 | 57054675633 |
10 | 20172310419 |
11 | 861181a428 |
12 | 3aab7ba903 |
13 | 1b962b8771 |
14 | d9513b119 |
15 | 7d0e55ce9 |
hex | 4b25d0793 |
20172310419 has 8 divisors (see below), whose sum is σ = 27823876560. Its totient is φ = 12984475616.
The previous prime is 20172310363. The next prime is 20172310427. The reversal of 20172310419 is 91401327102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20172310419 - 211 = 20172308371 is a prime.
It is a super-2 number, since 2×201723104192 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (20172310429) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115932732 + ... + 115932905.
It is an arithmetic number, because the mean of its divisors is an integer number (3477984570).
Almost surely, 220172310419 is an apocalyptic number.
20172310419 is a gapful number since it is divisible by the number (29) formed by its first and last digit.
20172310419 is a deficient number, since it is larger than the sum of its proper divisors (7651566141).
20172310419 is a wasteful number, since it uses less digits than its factorization.
20172310419 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 231865669.
The product of its (nonzero) digits is 3024, while the sum is 30.
The spelling of 20172310419 in words is "twenty billion, one hundred seventy-two million, three hundred ten thousand, four hundred nineteen".
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