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111213113001 = 3109787432149
BaseRepresentation
bin110011110010011010…
…0010110111010101001
3101122001122002111120020
41213210310112322221
53310231024104001
6123031322551053
711014651602024
oct1474464267251
9348048074506
10111213113001
114318a9a2941
1219679068489
13a644932b53
1455503681bb
152d5d873736
hex19e4d16ea9

111213113001 has 16 divisors (see below), whose sum is σ = 149835048000. Its totient is φ = 73368358848.

The previous prime is 111213112993. The next prime is 111213113017. The reversal of 111213113001 is 100311312111.

It is not a de Polignac number, because 111213113001 - 23 = 111213112993 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (111213113021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41275 + ... + 473423.

It is an arithmetic number, because the mean of its divisors is an integer number (9364690500).

Almost surely, 2111213113001 is an apocalyptic number.

It is an amenable number.

111213113001 is a deficient number, since it is larger than the sum of its proper divisors (38621934999).

111213113001 is a wasteful number, since it uses less digits than its factorization.

111213113001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433048.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 111213113001 its reverse (100311312111), we get a palindrome (211524425112).

The spelling of 111213113001 in words is "one hundred eleven billion, two hundred thirteen million, one hundred thirteen thousand, one".

Divisors: 1 3 109 327 787 2361 85783 257349 432149 1296447 47104241 141312723 340101263 1020303789 37071037667 111213113001