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20122022313 = 329723049281
BaseRepresentation
bin10010101111010111…
…011011000110101001
31220221100010122101200
4102233113123012221
5312202214203223
613124404434413
71311433240041
oct225727330651
956840118350
1020122022313
1185963a2208
123a969a8a09
131b88a5c1a3
14d8c5aa721
157cb820a43
hex4af5db1a9

20122022313 has 12 divisors (see below), whose sum is σ = 29364785268. Its totient is φ = 13276385280.

The previous prime is 20122022311. The next prime is 20122022321. The reversal of 20122022313 is 31322022102.

It can be written as a sum of positive squares in 2 ways, for example, as 9262715049 + 10859307264 = 96243^2 + 104208^2 .

It is not a de Polignac number, because 20122022313 - 21 = 20122022311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20122022311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11523768 + ... + 11525513.

It is an arithmetic number, because the mean of its divisors is an integer number (2447065439).

Almost surely, 220122022313 is an apocalyptic number.

It is an amenable number.

20122022313 is a deficient number, since it is larger than the sum of its proper divisors (9242762955).

20122022313 is a wasteful number, since it uses less digits than its factorization.

20122022313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23049384 (or 23049381 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20122022313 its reverse (31322022102), we get a palindrome (51444044415).

The spelling of 20122022313 in words is "twenty billion, one hundred twenty-two million, twenty-two thousand, three hundred thirteen".

Divisors: 1 3 9 97 291 873 23049281 69147843 207443529 2235780257 6707340771 20122022313