Base | Representation |
---|---|
bin | 1011110001010101000… |
… | …1101001111000001111 |
3 | 201022222002101022201212 |
4 | 2330111101221320033 |
5 | 11303121411144211 |
6 | 232522045125035 |
7 | 20416132100432 |
oct | 2742521517017 |
9 | 638862338655 |
10 | 202220412431 |
11 | 788411729a4 |
12 | 3323725977b |
13 | 160b934989b |
14 | 9b04d53819 |
15 | 53d837438b |
hex | 2f15469e0f |
202220412431 has 2 divisors, whose sum is σ = 202220412432. Its totient is φ = 202220412430.
The previous prime is 202220412397. The next prime is 202220412523. The reversal of 202220412431 is 134214022202.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 202220412431 - 218 = 202220150287 is a prime.
It is a super-2 number, since 2×2022204124312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 202220412397 and 202220412406.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (202220412931) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101110206215 + 101110206216.
It is an arithmetic number, because the mean of its divisors is an integer number (101110206216).
Almost surely, 2202220412431 is an apocalyptic number.
202220412431 is a deficient number, since it is larger than the sum of its proper divisors (1).
202220412431 is an equidigital number, since it uses as much as digits as its factorization.
202220412431 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1536, while the sum is 23.
Adding to 202220412431 its reverse (134214022202), we get a palindrome (336434434633).
The spelling of 202220412431 in words is "two hundred two billion, two hundred twenty million, four hundred twelve thousand, four hundred thirty-one".
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