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20090918182 = 210199459991
BaseRepresentation
bin10010101101100000…
…110001010100100110
31220212011121101112211
4102231200301110212
5312121233340212
613121334034034
71310604662326
oct225540612446
956764541484
1020090918182
11857a888215
123a884a891a
131b8248b78a
14d883d1286
157c8c299a7
hex4ad831526

20090918182 has 8 divisors (see below), whose sum is σ = 30434757552. Its totient is φ = 9945999000.

The previous prime is 20090918167. The next prime is 20090918201. The reversal of 20090918182 is 28181909002.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49729794 + ... + 49730197.

It is an arithmetic number, because the mean of its divisors is an integer number (3804344694).

Almost surely, 220090918182 is an apocalyptic number.

20090918182 is a deficient number, since it is larger than the sum of its proper divisors (10343839370).

20090918182 is a wasteful number, since it uses less digits than its factorization.

20090918182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99460094.

The product of its (nonzero) digits is 20736, while the sum is 40.

The spelling of 20090918182 in words is "twenty billion, ninety million, nine hundred eighteen thousand, one hundred eighty-two".

Divisors: 1 2 101 202 99459991 198919982 10045459091 20090918182