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444206200020 = 223511261185427
BaseRepresentation
bin1100111011011001100…
…00001011010011010100
31120110120111100000012020
412131230300023103110
524234213241400040
6540022052253140
744043562254432
oct6355460132324
91513514300166
10444206200020
11161428901800
127210b9111b0
1332b71c5a64b
14176dd23bd52
15b84c7d6cd0
hex676cc0b4d4

444206200020 has 72 divisors (see below), whose sum is σ = 1367127203232. Its totient is φ = 107686349760.

The previous prime is 444206199893. The next prime is 444206200027. The reversal of 444206200020 is 20002602444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444206200027) 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 23 ways as a sum of consecutive naturals, for example, 30585454 + ... + 30599973.

Almost surely, 2444206200020 is an apocalyptic number.

It is an amenable number.

444206200020 is an abundant number, since it is smaller than the sum of its proper divisors (922921003212).

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

444206200020 is a wasteful number, since it uses less digits than its factorization.

444206200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61185461 (or 61185448 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 444206200020 its reverse (20002602444), we get a palindrome (464208802464).

The spelling of 444206200020 in words is "four hundred forty-four billion, two hundred six million, two hundred thousand, twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 121 132 165 220 242 330 363 484 605 660 726 1210 1452 1815 2420 3630 7260 61185427 122370854 183556281 244741708 305927135 367112562 611854270 673039697 734225124 917781405 1223708540 1346079394 1835562810 2019119091 2692158788 3365198485 3671125620 4038238182 6730396970 7403436667 8076476364 10095595455 13460793940 14806873334 20191190910 22210310001 29613746668 37017183335 40382381820 44420620002 74034366670 88841240004 111051550005 148068733340 222103100010 444206200020