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111230311232 = 264344391237
BaseRepresentation
bin110011110010111010…
…1111101101101000000
3101122002211110021002202
41213211311331231000
53310244424424412
6123033135332332
711015251021445
oct1474565755500
9348084407082
10111230311232
114319967a157
12196829810a8
13a648374c11
1455527639cc
152d6011e3c2
hex19e5d7db40

111230311232 has 56 divisors (see below), whose sum is σ = 226368047136. Its totient is φ = 54198563328.

The previous prime is 111230311151. The next prime is 111230311237. The reversal of 111230311232 is 232113032111.

It is a happy number.

111230311232 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111230311237) 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, 1173518 + ... + 1264754.

It is an arithmetic number, because the mean of its divisors is an integer number (4042286556).

Almost surely, 2111230311232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111230311232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113184023568).

111230311232 is an abundant number, since it is smaller than the sum of its proper divisors (115137735904).

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

111230311232 is an equidigital number, since it uses as much as digits as its factorization.

111230311232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91735 (or 91725 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 111230311232 its reverse (232113032111), we get a palindrome (343343343343).

The spelling of 111230311232 in words is "one hundred eleven billion, two hundred thirty million, three hundred eleven thousand, two hundred thirty-two".

Divisors: 1 2 4 8 16 32 43 64 86 172 344 443 688 886 1376 1772 2752 3544 7088 14176 19049 28352 38098 76196 91237 152392 182474 304784 364948 609568 729896 1219136 1459792 2919584 3923191 5839168 7846382 15692764 31385528 40417991 62771056 80835982 125542112 161671964 251084224 323343928 646687856 1293375712 1737973613 2586751424 3475947226 6951894452 13903788904 27807577808 55615155616 111230311232