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122303303221 = 11219113470783
BaseRepresentation
bin111000111100111011…
…0000100111000110101
3102200200112020112112011
41301321312010320311
54000434121200341
6132104012124221
711556534632101
oct1617166047065
9380615215464
10122303303221
1147961031a00
121b853166671
13b6c1447b98
145cc31d4901
1532ac2cab81
hex1c79d84e35

122303303221 has 24 divisors (see below), whose sum is σ = 142760540160. Its totient is φ = 104400616320.

The previous prime is 122303303219. The next prime is 122303303249.

122303303221 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 122303303221 - 21 = 122303303219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122303303192 and 122303303201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122303303251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24396 + ... + 495178.

It is an arithmetic number, because the mean of its divisors is an integer number (5948355840).

Almost surely, 2122303303221 is an apocalyptic number.

122303303221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122303303221 is a deficient number, since it is larger than the sum of its proper divisors (20457236939).

122303303221 is a wasteful number, since it uses less digits than its factorization.

122303303221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470937 (or 470926 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

It can be divided in two parts, 122303 and 303221, that added together give a palindrome (425524).

The spelling of 122303303221 in words is "one hundred twenty-two billion, three hundred three million, three hundred three thousand, two hundred twenty-one".

Divisors: 1 11 19 113 121 209 1243 2147 2299 13673 23617 259787 470783 5178613 8944877 53198479 56964743 98393647 585183269 1010771101 1082330117 6437015959 11118482111 122303303221