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20086391514 = 2371728132201
BaseRepresentation
bin10010101101001111…
…100000001011011010
31220211212002102010110
4102231033200023122
5312114104012024
613121053025150
71310521340130
oct225517401332
956755072113
1020086391514
118578276272
123a86a851b6
131b81565287
14d87973750
157c8633629
hex4ad3e02da

20086391514 has 32 divisors (see below), whose sum is σ = 48612445056. Its totient is φ = 5401382400.

The previous prime is 20086391509. The next prime is 20086391581. The reversal of 20086391514 is 41519368002.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 14065387 + ... + 14066814.

It is an arithmetic number, because the mean of its divisors is an integer number (1519138908).

Almost surely, 220086391514 is an apocalyptic number.

20086391514 is an abundant number, since it is smaller than the sum of its proper divisors (28526053542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20086391514 is a wasteful number, since it uses less digits than its factorization.

20086391514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28132230.

The product of its (nonzero) digits is 51840, while the sum is 39.

The spelling of 20086391514 in words is "twenty billion, eighty-six million, three hundred ninety-one thousand, five hundred fourteen".

Divisors: 1 2 3 6 7 14 17 21 34 42 51 102 119 238 357 714 28132201 56264402 84396603 168793206 196925407 393850814 478247417 590776221 956494834 1181552442 1434742251 2869484502 3347731919 6695463838 10043195757 20086391514