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11231212332 = 2233175739883
BaseRepresentation
bin10100111010110111…
…01011001100101100
31001222201111200221010
422131123223030230
5141000142243312
65054243505220
7545214505164
oct123533531454
931881450833
1011231212332
1148437aa06a
122215388210
13109cabc692
147878995a4
1545b01193c
hex29d6eb32c

11231212332 has 48 divisors (see below), whose sum is σ = 27087936512. Its totient is φ = 3618095040.

The previous prime is 11231212331. The next prime is 11231212387. The reversal of 11231212332 is 23321213211.

It is a super-2 number, since 2×112312123322 (a number of 21 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 11231212299 and 11231212308.

It is not an unprimeable number, because it can be changed into a prime (11231212331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261663 + ... + 301545.

Almost surely, 211231212332 is an apocalyptic number.

11231212332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11231212332 is an abundant number, since it is smaller than the sum of its proper divisors (15856724180).

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

11231212332 is a wasteful number, since it uses less digits than its factorization.

11231212332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40678 (or 40676 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

Adding to 11231212332 its reverse (23321213211), we get a palindrome (34552425543).

The spelling of 11231212332 in words is "eleven billion, two hundred thirty-one million, two hundred twelve thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 372 757 1514 2271 3028 4542 9084 23467 39883 46934 70401 79766 93868 119649 140802 159532 239298 281604 478596 1236373 2472746 3709119 4945492 7418238 14836476 30191431 60382862 90574293 120765724 181148586 362297172 935934361 1871868722 2807803083 3743737444 5615606166 11231212332