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8247213042 = 231374535507
BaseRepresentation
bin1111010111001001…
…00111101111110010
3210021202120211102220
413223210213233302
5113342241304132
63442210221510
7411242103615
oct75344475762
923252524386
108247213042
113552378252
121721b84896
13a1581b123
1458345a17c
1533407da2c
hex1eb927bf2

8247213042 has 8 divisors (see below), whose sum is σ = 16494426096. Its totient is φ = 2749071012.

The previous prime is 8247213031. The next prime is 8247213113. The reversal of 8247213042 is 2403127428.

It is a happy number.

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

8247213042 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 8247212994 and 8247213012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 687267748 + ... + 687267759.

It is an arithmetic number, because the mean of its divisors is an integer number (2061803262).

Almost surely, 28247213042 is an apocalyptic number.

8247213042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8247213042 is a wasteful number, since it uses less digits than its factorization.

8247213042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374535512.

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 8247213042 is about 90814.1676281845. The cubic root of 8247213042 is about 2020.3924540549.

The spelling of 8247213042 in words is "eight billion, two hundred forty-seven million, two hundred thirteen thousand, forty-two".

Divisors: 1 2 3 6 1374535507 2749071014 4123606521 8247213042