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111213301013213 = 7372479131732039
BaseRepresentation
bin11001010010010111011101…
…010011010001101011011101
3112120202212222011110101001112
4121102113131103101223131
5104034104320024410323
61032310403555151405
732265616163130020
oct3122273523215335
9476685864411045
10111213301013213
1132488329108393
1210581a715a5565
134a094a5421b89
141d66a76b8d1b7
15cccda6eae178
hex6525dd4d1add

111213301013213 has 16 divisors (see below), whose sum is σ = 130536677226240. Its totient is φ = 92748889005696.

The previous prime is 111213301013153. The next prime is 111213301013239. The reversal of 111213301013213 is 312310103312111.

It is not a de Polignac number, because 111213301013213 - 222 = 111213296818909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111213301013713) 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, 63343448 + ... + 65075486.

It is an arithmetic number, because the mean of its divisors is an integer number (8158542326640).

Almost surely, 2111213301013213 is an apocalyptic number.

It is an amenable number.

111213301013213 is a deficient number, since it is larger than the sum of its proper divisors (19323376213027).

111213301013213 is a wasteful number, since it uses less digits than its factorization.

111213301013213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1979996.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 111213301013213 its reverse (312310103312111), we get a palindrome (423523404325324).

The spelling of 111213301013213 in words is "one hundred eleven trillion, two hundred thirteen billion, three hundred one million, thirteen thousand, two hundred thirteen".

Divisors: 1 7 37 259 247913 1732039 1735391 9172781 12124273 64085443 64209467 448598101 429394984607 3005764892249 15887614430459 111213301013213