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1130513213 = 41149185057
BaseRepresentation
bin100001101100010…
…0100001100111101
32220210021000120202
41003120210030331
54303402410323
6304102453245
740005126614
oct10330441475
92823230522
101130513213
11530166345
12276734225
131502a543b
14aa20287b
15693b1d28
hex4362433d

1130513213 has 8 divisors (see below), whose sum is σ = 1165865400. Its totient is φ = 1095531520.

The previous prime is 1130513201. The next prime is 1130513221. The reversal of 1130513213 is 3123150311.

It can be written as a sum of positive squares in 4 ways, for example, as 54804409 + 1075708804 = 7403^2 + 32798^2 .

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 1130513213 - 230 = 56771389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130512213) 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, 86420 + ... + 98637.

It is an arithmetic number, because the mean of its divisors is an integer number (145733175).

Almost surely, 21130513213 is an apocalyptic number.

It is an amenable number.

1130513213 is a deficient number, since it is larger than the sum of its proper divisors (35352187).

1130513213 is a wasteful number, since it uses less digits than its factorization.

1130513213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185247.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 1130513213 is about 33623.1053443908. The cubic root of 1130513213 is about 1041.7380985795.

Adding to 1130513213 its reverse (3123150311), we get a palindrome (4253663524).

The spelling of 1130513213 in words is "one billion, one hundred thirty million, five hundred thirteen thousand, two hundred thirteen".

Divisors: 1 41 149 6109 185057 7587337 27573493 1130513213