Base | Representation |
---|---|
bin | 11101100011101111011… |
… | …110001001001110000100 |
3 | 21012011222202121002101220 |
4 | 131203233132021032010 |
5 | 231234441002023140 |
6 | 4153050110120340 |
7 | 266516034665550 |
oct | 35435736111604 |
9 | 7164882532356 |
10 | 2031242220420 |
11 | 713499308466 |
12 | 289802ab00b0 |
13 | 1197120b402a |
14 | 70453c98860 |
15 | 37c85bd1bd0 |
hex | 1d8ef789384 |
2031242220420 has 96 divisors (see below), whose sum is σ = 6504683678976. Its totient is φ = 463947609600.
The previous prime is 2031242220419. The next prime is 2031242220431. The reversal of 2031242220420 is 240222421302.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1170991 + ... + 2331030.
It is an arithmetic number, because the mean of its divisors is an integer number (67757121656).
Almost surely, 22031242220420 is an apocalyptic number.
2031242220420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2031242220420 is an abundant number, since it is smaller than the sum of its proper divisors (4473441458556).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2031242220420 is a wasteful number, since it uses less digits than its factorization.
2031242220420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3503421 (or 3503419 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 24.
Adding to 2031242220420 its reverse (240222421302), we get a palindrome (2271464641722).
The spelling of 2031242220420 in words is "two trillion, thirty-one billion, two hundred forty-two million, two hundred twenty thousand, four hundred twenty".
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