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10111123232231 = 72206349453719
BaseRepresentation
bin1001001100100010110111…
…1010001001010111100111
31022210121120120012100011012
42103020231322021113213
52311130040021412411
633300552541332435
72062335026261300
oct223105572112747
938717516170135
1010111123232231
11324911551712a
12117372a86711b
1358462327b788
1426d54957b7a7
1512803096018b
hex9322de895e7

10111123232231 has 6 divisors (see below), whose sum is σ = 11761918862040. Its totient is φ = 8666677056156.

The previous prime is 10111123232213. The next prime is 10111123232261. The reversal of 10111123232231 is 13223232111101.

It is a happy number.

It is not a de Polignac number, because 10111123232231 - 214 = 10111123215847 is a prime.

It is a super-2 number, since 2×101111232322312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10111123232197 and 10111123232206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111123232261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 103174726811 + ... + 103174726908.

It is an arithmetic number, because the mean of its divisors is an integer number (1960319810340).

Almost surely, 210111123232231 is an apocalyptic number.

10111123232231 is a deficient number, since it is larger than the sum of its proper divisors (1650795629809).

10111123232231 is an equidigital number, since it uses as much as digits as its factorization.

10111123232231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206349453733 (or 206349453726 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 10111123232231 its reverse (13223232111101), we get a palindrome (23334355343332).

The spelling of 10111123232231 in words is "ten trillion, one hundred eleven billion, one hundred twenty-three million, two hundred thirty-two thousand, two hundred thirty-one".

Divisors: 1 7 49 206349453719 1444446176033 10111123232231