Base | Representation |
---|---|
bin | 10010111010000011… |
… | …110100001000011010 |
3 | 1221101211201120021210 |
4 | 102322003310020122 |
5 | 313034131300242 |
6 | 13154254043550 |
7 | 1316042214264 |
oct | 227203641032 |
9 | 57354646253 |
10 | 20301431322 |
11 | 86786a0917 |
12 | 3b26aa95b6 |
13 | 1bb6c87073 |
14 | da834cb34 |
15 | 7dc45dd9c |
hex | 4ba0f421a |
20301431322 has 32 divisors (see below), whose sum is σ = 41608194048. Its totient is φ = 6601065536.
The previous prime is 20301431317. The next prime is 20301431329. The reversal of 20301431322 is 22313410302.
It is a super-2 number, since 2×203014313222 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (20301431329) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129498 + ... + 239525.
It is an arithmetic number, because the mean of its divisors is an integer number (1300256064).
Almost surely, 220301431322 is an apocalyptic number.
20301431322 is an abundant number, since it is smaller than the sum of its proper divisors (21306762726).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20301431322 is a wasteful number, since it uses less digits than its factorization.
20301431322 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 369254.
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 20301431322 its reverse (22313410302), we get a palindrome (42614841624).
The spelling of 20301431322 in words is "twenty billion, three hundred one million, four hundred thirty-one thousand, three hundred twenty-two".
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