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20081840510 = 252008184051
BaseRepresentation
bin10010101100111110…
…001001000101111110
31220211112112012022202
4102230332021011332
5312111422344020
613120411311502
71310434553654
oct225476110576
956745465282
1020081840510
118575748006
123a8544b592
131b80630984
14d8710add4
157c8034e75
hex4acf8917e

20081840510 has 8 divisors (see below), whose sum is σ = 36147312936. Its totient is φ = 8032736200.

The previous prime is 20081840509. The next prime is 20081840531. The reversal of 20081840510 is 1504818002.

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

It is a Curzon number.

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 3 ways as a sum of consecutive naturals, for example, 1004092016 + ... + 1004092035.

It is an arithmetic number, because the mean of its divisors is an integer number (4518414117).

Almost surely, 220081840510 is an apocalyptic number.

20081840510 is a deficient number, since it is larger than the sum of its proper divisors (16065472426).

20081840510 is a wasteful number, since it uses less digits than its factorization.

20081840510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2008184058.

The product of its (nonzero) digits is 2560, while the sum is 29.

The spelling of 20081840510 in words is "twenty billion, eighty-one million, eight hundred forty thousand, five hundred ten".

Divisors: 1 2 5 10 2008184051 4016368102 10040920255 20081840510