Search a number
-
+
8019082819 = 111037077743
BaseRepresentation
bin1110111011111100…
…10111111001000011
3202200212022121121101
413131332113321003
5112410341122234
63403420435231
7402502036126
oct73576277103
922625277541
108019082819
113445621680
1216796a8b17
139aa494c27
145610343bd
1531e019814
hex1ddf97e43

8019082819 has 8 divisors (see below), whose sum is σ = 8833024512. Its totient is φ = 7219296840.

The previous prime is 8019082811. The next prime is 8019082823. The reversal of 8019082819 is 9182809108.

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 8019082819 - 23 = 8019082811 is a prime.

It is a super-2 number, since 2×80190828192 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8019082811) 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, 3537739 + ... + 3540004.

It is an arithmetic number, because the mean of its divisors is an integer number (1104128064).

Almost surely, 28019082819 is an apocalyptic number.

8019082819 is a deficient number, since it is larger than the sum of its proper divisors (813941693).

8019082819 is a wasteful number, since it uses less digits than its factorization.

8019082819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7077857.

The product of its (nonzero) digits is 82944, while the sum is 46.

The square root of 8019082819 is about 89549.3317618842. The cubic root of 8019082819 is about 2001.5889721661.

The spelling of 8019082819 in words is "eight billion, nineteen million, eighty-two thousand, eight hundred nineteen".

Divisors: 1 11 103 1133 7077743 77855173 729007529 8019082819