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20230022312 = 232528752789
BaseRepresentation
bin10010110101110011…
…011010010010101000
31221012212100121112122
4102311303122102220
5312412341203222
613143223330412
71314214231613
oct226563322250
957185317478
1020230022312
118641358205
123b06bb0a08
131ba5244106
14d9ca8117a
157d6055a42
hex4b5cda4a8

20230022312 has 8 divisors (see below), whose sum is σ = 37931291850. Its totient is φ = 10115011152.

The previous prime is 20230022311. The next prime is 20230022317. The reversal of 20230022312 is 21322003202.

It can be written as a sum of positive squares in only one way, i.e., 15091139716 + 5138882596 = 122846^2 + 71686^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (20230022311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1264376387 + ... + 1264376402.

Almost surely, 220230022312 is an apocalyptic number.

It is an amenable number.

20230022312 is a deficient number, since it is larger than the sum of its proper divisors (17701269538).

20230022312 is a wasteful number, since it uses less digits than its factorization.

20230022312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2528752795 (or 2528752791 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20230022312 its reverse (21322003202), we get a palindrome (41552025514).

The spelling of 20230022312 in words is "twenty billion, two hundred thirty million, twenty-two thousand, three hundred twelve".

Divisors: 1 2 4 8 2528752789 5057505578 10115011156 20230022312