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1119383831 = 2294888139
BaseRepresentation
bin100001010111000…
…0111000100010111
32220000022120221102
41002232013010113
54243030240311
6303024140315
736511414466
oct10256070427
92800276842
101119383831
11524954705
12272a6769b
1314aba97c7
14a89469dd
156841443b
hex42b87117

1119383831 has 4 divisors (see below), whose sum is σ = 1124272200. Its totient is φ = 1114495464.

The previous prime is 1119383801. The next prime is 1119383843. The reversal of 1119383831 is 1383839111.

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

It is a cyclic number.

It is not a de Polignac number, because 1119383831 - 210 = 1119382807 is a prime.

It is a super-2 number, since 2×11193838312 = 2506040322208473122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1119383801) 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, 2443841 + ... + 2444298.

It is an arithmetic number, because the mean of its divisors is an integer number (281068050).

Almost surely, 21119383831 is an apocalyptic number.

1119383831 is a deficient number, since it is larger than the sum of its proper divisors (4888369).

1119383831 is an equidigital number, since it uses as much as digits as its factorization.

1119383831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4888368.

The product of its digits is 15552, while the sum is 38.

The square root of 1119383831 is about 33457.1940096596. The cubic root of 1119383831 is about 1038.3083417509.

The spelling of 1119383831 in words is "one billion, one hundred nineteen million, three hundred eighty-three thousand, eight hundred thirty-one".

Divisors: 1 229 4888139 1119383831