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20084910449 = 592231526557
BaseRepresentation
bin10010101101001001…
…110110100101110001
31220211202022011111012
4102231021312211301
5312113214113244
613121001200305
71310502631142
oct225511664561
956752264435
1020084910449
11857745454a
123a86490095
131b811670c6
14d876a9ac9
157c843e89e
hex4ad276971

20084910449 has 8 divisors (see below), whose sum is σ = 20516939520. Its totient is φ = 19655935056.

The previous prime is 20084910421. The next prime is 20084910479. The reversal of 20084910449 is 94401948002.

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

It is a cyclic number.

It is not a de Polignac number, because 20084910449 - 220 = 20083861873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20084910479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 750122 + ... + 776435.

It is an arithmetic number, because the mean of its divisors is an integer number (2564617440).

Almost surely, 220084910449 is an apocalyptic number.

It is an amenable number.

20084910449 is a deficient number, since it is larger than the sum of its proper divisors (432029071).

20084910449 is a wasteful number, since it uses less digits than its factorization.

20084910449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526839.

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 20084910449 in words is "twenty billion, eighty-four million, nine hundred ten thousand, four hundred forty-nine".

Divisors: 1 59 223 13157 1526557 90066863 340422211 20084910449