Search a number
-
+
1068854843 = 7152693549
BaseRepresentation
bin111111101101010…
…110111000111011
32202111020110012102
4333231112320323
54142111323333
6254021134015
735326054610
oct7755267073
92674213172
101068854843
114a9382511
12259b5a30b
131405976b4
14a1d52507
1563c82ae8
hex3fb56e3b

1068854843 has 4 divisors (see below), whose sum is σ = 1221548400. Its totient is φ = 916161288.

The previous prime is 1068854791. The next prime is 1068854851. The reversal of 1068854843 is 3484588601.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1068854843 - 228 = 800419387 is a prime.

It is a super-2 number, since 2×10688548432 = 2284901350809109298, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1068854863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76346768 + ... + 76346781.

It is an arithmetic number, because the mean of its divisors is an integer number (305387100).

Almost surely, 21068854843 is an apocalyptic number.

1068854843 is a deficient number, since it is larger than the sum of its proper divisors (152693557).

1068854843 is an equidigital number, since it uses as much as digits as its factorization.

1068854843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152693556.

The product of its (nonzero) digits is 737280, while the sum is 47.

The square root of 1068854843 is about 32693.3455461505. The cubic root of 1068854843 is about 1022.4441077126. Note that the first 3 decimals are identical.

The spelling of 1068854843 in words is "one billion, sixty-eight million, eight hundred fifty-four thousand, eight hundred forty-three".

Divisors: 1 7 152693549 1068854843