Base | Representation |
---|---|
bin | 101101111110011010100011… |
… | …010011101110110111110100 |
3 | 222111221020200000000010210121 |
4 | 231332122203103232313310 |
5 | 203000331034304020040 |
6 | 1554013541551501324 |
7 | 60406361325422044 |
oct | 5576324323566764 |
9 | 874836600003717 |
10 | 202201210220020 |
11 | 59478062881570 |
12 | 1a817b48227844 |
13 | 88a96527a462b |
14 | 37d083b1c5724 |
15 | 1859ab6899c4a |
hex | b7e6a34eedf4 |
202201210220020 has 48 divisors (see below), whose sum is σ = 463246766136000. Its totient is φ = 73524192894720.
The previous prime is 202201210220017. The next prime is 202201210220071. The reversal of 202201210220020 is 20022012102202.
It is a junction number, because it is equal to n+sod(n) for n = 202201210219976 and 202201210220003.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17391225 + ... + 26586784.
It is an arithmetic number, because the mean of its divisors is an integer number (9650974294500).
Almost surely, 2202201210220020 is an apocalyptic number.
202201210220020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
202201210220020 is an abundant number, since it is smaller than the sum of its proper divisors (261045555915980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
202201210220020 is a wasteful number, since it uses less digits than its factorization.
202201210220020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43998928 (or 43998926 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 16.
Adding to 202201210220020 its reverse (20022012102202), we get a palindrome (222223222322222).
The spelling of 202201210220020 in words is "two hundred two trillion, two hundred one billion, two hundred ten million, two hundred twenty thousand, twenty".
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