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20348645363 = 171867164109
BaseRepresentation
bin10010111100110111…
…111010111111110011
31221112010120021202222
4102330313322333303
5313133223122423
613203102031255
71320154426454
oct227467727763
957463507688
1020348645363
1186a2309492
123b3a87852b
131bc39a8377
14db071d12b
157e16883c8
hex4bcdfaff3

20348645363 has 8 divisors (see below), whose sum is σ = 21547114560. Its totient is φ = 19150341760.

The previous prime is 20348645323. The next prime is 20348645371. The reversal of 20348645363 is 36354684302.

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

It is a cyclic number.

It is not a de Polignac number, because 20348645363 - 212 = 20348641267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20348645323) 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, 285353 + ... + 349461.

It is an arithmetic number, because the mean of its divisors is an integer number (2693389320).

Almost surely, 220348645363 is an apocalyptic number.

20348645363 is a deficient number, since it is larger than the sum of its proper divisors (1198469197).

20348645363 is a wasteful number, since it uses less digits than its factorization.

20348645363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82797.

The product of its (nonzero) digits is 1244160, while the sum is 44.

The spelling of 20348645363 in words is "twenty billion, three hundred forty-eight million, six hundred forty-five thousand, three hundred sixty-three".

Divisors: 1 17 18671 64109 317407 1089853 1196979139 20348645363