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20371716446 = 2231459303539
BaseRepresentation
bin10010111110001111…
…111011100101011110
31221120201222102100112
4102332033323211132
5313210124411241
613205244330022
71320554506214
oct227617734536
957521872315
1020371716446
1187043370a4
123b46543912
131bc86c55b3
14db3806cb4
157e36e41eb
hex4be3fb95e

20371716446 has 16 divisors (see below), whose sum is σ = 31908124800. Its totient is φ = 9736284888.

The previous prime is 20371716383. The next prime is 20371716473. The reversal of 20371716446 is 64461717302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84656 + ... + 218883.

It is an arithmetic number, because the mean of its divisors is an integer number (1994257800).

Almost surely, 220371716446 is an apocalyptic number.

20371716446 is a deficient number, since it is larger than the sum of its proper divisors (11536408354).

20371716446 is a wasteful number, since it uses less digits than its factorization.

20371716446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305023.

The product of its (nonzero) digits is 169344, while the sum is 41.

The spelling of 20371716446 in words is "twenty billion, three hundred seventy-one million, seven hundred sixteen thousand, four hundred forty-six".

Divisors: 1 2 23 46 1459 2918 33557 67114 303539 607078 6981397 13962794 442863401 885726802 10185858223 20371716446