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20799773382 = 2319727116491
BaseRepresentation
bin10011010111110000…
…110101101011000110
31222200120102222002010
4103113300311223012
5320044220222012
613315535155050
71334303104503
oct232760655306
958616388063
1020799773382
118903a25663
124045975a86
131c662ab61b
1410145d24aa
1581b09ac3c
hex4d7c35ac6

20799773382 has 32 divisors (see below), whose sum is σ = 41832578304. Its totient is φ = 6894456800.

The previous prime is 20799773363. The next prime is 20799773389. The reversal of 20799773382 is 28337799702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20799773389) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3201157 + ... + 3207647.

It is an arithmetic number, because the mean of its divisors is an integer number (1307268072).

Almost surely, 220799773382 is an apocalyptic number.

20799773382 is an abundant number, since it is smaller than the sum of its proper divisors (21032804922).

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

20799773382 is a wasteful number, since it uses less digits than its factorization.

20799773382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9404.

The product of its (nonzero) digits is 8001504, while the sum is 57.

The spelling of 20799773382 in words is "twenty billion, seven hundred ninety-nine million, seven hundred seventy-three thousand, three hundred eighty-two".

Divisors: 1 2 3 6 197 394 591 1182 2711 5422 6491 8133 12982 16266 19473 38946 534067 1068134 1278727 1602201 2557454 3204402 3836181 7672362 17597101 35194202 52791303 105582606 3466628897 6933257794 10399886691 20799773382