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20110379623 = 47514232873
BaseRepresentation
bin10010101110101011…
…000000101001100111
31220220112020010121221
4102232223000221213
5312141224121443
613123311121211
71311232256245
oct225653005147
956815203557
1020110379623
11858a86a954
123a92b13207
131b86513a19
14d8ac19795
157ca7c0eed
hex4aeac0a67

20110379623 has 4 divisors (see below), whose sum is σ = 20114617248. Its totient is φ = 20106142000.

The previous prime is 20110379603. The next prime is 20110379633. The reversal of 20110379623 is 32697301102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20110379623 - 25 = 20110379591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110379603) 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 in 3 ways as a sum of consecutive naturals, for example, 2111686 + ... + 2121187.

It is an arithmetic number, because the mean of its divisors is an integer number (5028654312).

Almost surely, 220110379623 is an apocalyptic number.

20110379623 is a deficient number, since it is larger than the sum of its proper divisors (4237625).

20110379623 is an equidigital number, since it uses as much as digits as its factorization.

20110379623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4237624.

The product of its (nonzero) digits is 13608, while the sum is 34.

The spelling of 20110379623 in words is "twenty billion, one hundred ten million, three hundred seventy-nine thousand, six hundred twenty-three".

Divisors: 1 4751 4232873 20110379623