Base | Representation |
---|---|
bin | 10010111010000011… |
… | …110111001111001010 |
3 | 1221101211202012201220 |
4 | 102322003313033022 |
5 | 313034132202132 |
6 | 13154254222510 |
7 | 1316042266335 |
oct | 227203671712 |
9 | 57354665656 |
10 | 20301444042 |
11 | 86786aa430 |
12 | 3b26ab4a36 |
13 | 1bb6c8caa9 |
14 | da835361c |
15 | 7dc462a2c |
hex | 4ba0f73ca |
20301444042 has 32 divisors (see below), whose sum is σ = 45129804480. Its totient is φ = 6035877120.
The previous prime is 20301443983. The next prime is 20301444139. The reversal of 20301444042 is 24044410302.
It is a happy number.
It is an unprimeable number.
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, 2898367 + ... + 2905362.
It is an arithmetic number, because the mean of its divisors is an integer number (1410306390).
Almost surely, 220301444042 is an apocalyptic number.
20301444042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
20301444042 is an abundant number, since it is smaller than the sum of its proper divisors (24828360438).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20301444042 is a wasteful number, since it uses less digits than its factorization.
20301444042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5803798.
The product of its (nonzero) digits is 3072, while the sum is 24.
Adding to 20301444042 its reverse (24044410302), we get a palindrome (44345854344).
The spelling of 20301444042 in words is "twenty billion, three hundred one million, four hundred forty-four thousand, forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •