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8399210050 = 2527211311659
BaseRepresentation
bin1111101001010000…
…11100011001000010
3210200100121002010201
413310220130121002
5114200144210200
63505240115414
7415066051600
oct76450343102
923610532121
108399210050
113620153910
121764a65b6a
13a3b168c9a
14599704870
153425a4c6a
hex1f4a1c642

8399210050 has 72 divisors (see below), whose sum is σ = 19825315920. Its totient is φ = 2617927200.

The previous prime is 8399210047. The next prime is 8399210051. The reversal of 8399210050 is 500129938.

It is a junction number, because it is equal to n+sod(n) for n = 8399209991 and 8399210009.

It is not an unprimeable number, because it can be changed into a prime (8399210051) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 128880 + ... + 182779.

It is an arithmetic number, because the mean of its divisors is an integer number (275351610).

Almost surely, 28399210050 is an apocalyptic number.

8399210050 is an abundant number, since it is smaller than the sum of its proper divisors (11426105870).

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

8399210050 is a wasteful number, since it uses less digits than its factorization.

8399210050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311696 (or 311684 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 8399210050 is about 91647.2042672334. The cubic root of 8399210050 is about 2032.7289892272.

Adding to 8399210050 its reverse (500129938), we get a palindrome (8899339988).

The spelling of 8399210050 in words is "eight billion, three hundred ninety-nine million, two hundred ten thousand, fifty".

Divisors: 1 2 5 7 10 11 14 22 25 35 49 50 55 70 77 98 110 154 175 245 275 350 385 490 539 550 770 1078 1225 1925 2450 2695 3850 5390 13475 26950 311659 623318 1558295 2181613 3116590 3428249 4363226 6856498 7791475 10908065 15271291 15582950 17141245 21816130 23997743 30542582 34282490 47995486 54540325 76356455 85706225 109080650 119988715 152712910 167984201 171412450 239977430 335968402 381782275 599943575 763564550 839921005 1199887150 1679842010 4199605025 8399210050