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1163149033 = 10491108817
BaseRepresentation
bin100010101010100…
…0011111011101001
310000001200002111211
41011111003323221
54340231232113
6311230153121
740552414024
oct10525037351
93001602454
101163149033
115476270a2
122856527a1
13156c91087
14b069a1bb
156c1abb3d
hex45543ee9

1163149033 has 4 divisors (see below), whose sum is σ = 1164258900. Its totient is φ = 1162039168.

The previous prime is 1163149007. The next prime is 1163149093. The reversal of 1163149033 is 3309413611.

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

It can be written as a sum of positive squares in 2 ways, for example, as 895924624 + 267224409 = 29932^2 + 16347^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1163149033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1163148986 and 1163149004.

It is not an unprimeable number, because it can be changed into a prime (1163149093) 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, 553360 + ... + 555457.

It is an arithmetic number, because the mean of its divisors is an integer number (291064725).

Almost surely, 21163149033 is an apocalyptic number.

It is an amenable number.

1163149033 is a deficient number, since it is larger than the sum of its proper divisors (1109867).

1163149033 is a wasteful number, since it uses less digits than its factorization.

1163149033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109866.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 1163149033 is about 34104.9707960585. The cubic root of 1163149033 is about 1051.6675040269.

The spelling of 1163149033 in words is "one billion, one hundred sixty-three million, one hundred forty-nine thousand, thirty-three".

Divisors: 1 1049 1108817 1163149033