Search a number
-
+
113021311230 = 2345139532483
BaseRepresentation
bin110100101000010011…
…0000101100011111110
3101210201122112111020000
41221100212011203332
53322431423424410
6123530554535130
711110526203002
oct1512046054376
9353648474200
10113021311230
1143a28646a43
1219aa27374a6
13a872433629
145682576702
152e1749adc0
hex1a509858fe

113021311230 has 40 divisors (see below), whose sum is σ = 303901750152. Its totient is φ = 30139016112.

The previous prime is 113021311217. The next prime is 113021311243. The reversal of 113021311230 is 32113120311.

113021311230 is a `hidden beast` number, since 1 + 1 + 302 + 131 + 1 + 230 = 666.

It is an interprime number because it is at equal distance from previous prime (113021311217) and next prime (113021311243).

It is a super-2 number, since 2×1130213112302 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 69765432 + ... + 69767051.

Almost surely, 2113021311230 is an apocalyptic number.

113021311230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113021311230 is an abundant number, since it is smaller than the sum of its proper divisors (190880438922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113021311230 is a wasteful number, since it uses less digits than its factorization.

113021311230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139532502 (or 139532493 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 113021311230 its reverse (32113120311), we get a palindrome (145134431541).

The spelling of 113021311230 in words is "one hundred thirteen billion, twenty-one million, three hundred eleven thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 270 405 810 139532483 279064966 418597449 697662415 837194898 1255792347 1395324830 2092987245 2511584694 3767377041 4185974490 6278961735 7534754082 11302131123 12557923470 18836885205 22604262246 37673770410 56510655615 113021311230