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1161331058 = 21135138633
BaseRepresentation
bin100010100111000…
…1000000101110010
32222221020201201102
41011032020011302
54334300043213
6311123204402
740531102556
oct10516100562
92887221642
101161331058
115465a5238
12284b16702
131567a5754
14b0345866
156be4d158
hex45388172

1161331058 has 8 divisors (see below), whose sum is σ = 1757412828. Its totient is φ = 575526784.

The previous prime is 1161331051. The next prime is 1161331069. The reversal of 1161331058 is 8501331611.

It can be written as a sum of positive squares in 2 ways, for example, as 1154164729 + 7166329 = 33973^2 + 2677^2 .

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1161331058.

It is not an unprimeable number, because it can be changed into a prime (1161331051) 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, 2569091 + ... + 2569542.

Almost surely, 21161331058 is an apocalyptic number.

1161331058 is a deficient number, since it is larger than the sum of its proper divisors (596081770).

1161331058 is a wasteful number, since it uses less digits than its factorization.

1161331058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5138748.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 1161331058 is about 34078.3077338063. The cubic root of 1161331058 is about 1051.1193076708.

Adding to 1161331058 its reverse (8501331611), we get a palindrome (9662662669).

The spelling of 1161331058 in words is "one billion, one hundred sixty-one million, three hundred thirty-one thousand, fifty-eight".

Divisors: 1 2 113 226 5138633 10277266 580665529 1161331058