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11231033130 = 234513865473
BaseRepresentation
bin10100111010110101…
…11111011100101010
31001222201011121010000
422131122333130222
5141000121030010
65054240003430
7545213130552
oct123532773452
931881147100
1011231033130
114843697469
122215300576
13109ca58c45
14787850162
1545aec87c0
hex29d6bf72a

11231033130 has 40 divisors (see below), whose sum is σ = 30199002372. Its totient is φ = 2994941952.

The previous prime is 11231033123. The next prime is 11231033161. The reversal of 11231033130 is 3133013211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10957693041 + 273340089 = 104679^2 + 16533^2 .

It is a super-2 number, since 2×112310331302 (a number of 21 digits) contains 22 as substring.

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

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, 6931927 + ... + 6933546.

Almost surely, 211231033130 is an apocalyptic number.

11231033130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11231033130 is an abundant number, since it is smaller than the sum of its proper divisors (18967969242).

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

11231033130 is a wasteful number, since it uses less digits than its factorization.

11231033130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13865492 (or 13865483 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 11231033130 its reverse (3133013211), we get a palindrome (14364046341).

The spelling of 11231033130 in words is "eleven billion, two hundred thirty-one million, thirty-three thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 270 405 810 13865473 27730946 41596419 69327365 83192838 124789257 138654730 207982095 249578514 374367771 415964190 623946285 748735542 1123103313 1247892570 1871838855 2246206626 3743677710 5615516565 11231033130