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20852748367 = 115932130583
BaseRepresentation
bin10011011010111010…
…111011000001001111
31222211021010101002121
4103122322323001033
5320201300421432
613325110433411
71335515302513
oct233272730117
958737111077
1020852748367
118930918540
12405b662867
131c74268b79
14101b662143
15820a62197
hex4daebb04f

20852748367 has 8 divisors (see below), whose sum is σ = 23134020480. Its totient is φ = 18635737560.

The previous prime is 20852748361. The next prime is 20852748377. The reversal of 20852748367 is 76384725802.

It is a happy number.

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

It is not a de Polignac number, because 20852748367 - 27 = 20852748239 is a prime.

It is a super-2 number, since 2×208527483672 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20852748361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16064643 + ... + 16065940.

It is an arithmetic number, because the mean of its divisors is an integer number (2891752560).

Almost surely, 220852748367 is an apocalyptic number.

20852748367 is a deficient number, since it is larger than the sum of its proper divisors (2281272113).

20852748367 is a wasteful number, since it uses less digits than its factorization.

20852748367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32130653.

The product of its (nonzero) digits is 4515840, while the sum is 52.

The spelling of 20852748367 in words is "twenty billion, eight hundred fifty-two million, seven hundred forty-eight thousand, three hundred sixty-seven".

Divisors: 1 11 59 649 32130583 353436413 1895704397 20852748367