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11230031132 = 2222312589721
BaseRepresentation
bin10100111010101110…
…01010110100011100
31001222122021200121222
422131113022310130
5140444341444012
65054202312512
7545201455355
oct123527126434
931878250558
1011230031132
114843072671
122214ab8738
13109c797b48
1478766cd2c
1545ad7b972
hex29d5cad1c

11230031132 has 12 divisors (see below), whose sum is σ = 19740684096. Its totient is φ = 5589835680.

The previous prime is 11230031119. The next prime is 11230031203. The reversal of 11230031132 is 23113003211.

It is a super-2 number, since 2×112300311322 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11230031132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6293969 + ... + 6295752.

It is an arithmetic number, because the mean of its divisors is an integer number (1645057008).

Almost surely, 211230031132 is an apocalyptic number.

It is an amenable number.

11230031132 is a deficient number, since it is larger than the sum of its proper divisors (8510652964).

11230031132 is a wasteful number, since it uses less digits than its factorization.

11230031132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12589948 (or 12589946 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 11230031132 its reverse (23113003211), we get a palindrome (34343034343).

The spelling of 11230031132 in words is "eleven billion, two hundred thirty million, thirty-one thousand, one hundred thirty-two".

Divisors: 1 2 4 223 446 892 12589721 25179442 50358884 2807507783 5615015566 11230031132