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20122311095 = 519211813801
BaseRepresentation
bin10010101111011000…
…100001100110110111
31220221100200022112022
4102233120201212313
5312202302423340
613124414543355
71311435552005
oct225730414667
956840608468
1020122311095
11859657a177
123a96b07b5b
131b88b30773
14d8c643a75
157cb87b3b5
hex4af6219b7

20122311095 has 8 divisors (see below), whose sum is σ = 25417656240. Its totient is φ = 15250593600.

The previous prime is 20122311049. The next prime is 20122311107. The reversal of 20122311095 is 59011322102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20122311095 - 26 = 20122311031 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105906806 + ... + 105906995.

It is an arithmetic number, because the mean of its divisors is an integer number (3177207030).

Almost surely, 220122311095 is an apocalyptic number.

20122311095 is a deficient number, since it is larger than the sum of its proper divisors (5295345145).

20122311095 is a wasteful number, since it uses less digits than its factorization.

20122311095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211813825.

The product of its (nonzero) digits is 1080, while the sum is 26.

Adding to 20122311095 its reverse (59011322102), we get a palindrome (79133633197).

The spelling of 20122311095 in words is "twenty billion, one hundred twenty-two million, three hundred eleven thousand, ninety-five".

Divisors: 1 5 19 95 211813801 1059069005 4024462219 20122311095