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111245560031 = 677927209459
BaseRepresentation
bin110011110011011000…
…0001000100011011111
3101122010220010222112002
41213212300020203133
53310312330410111
6123034442232515
711015524441544
oct1474660104337
9348126128462
10111245560031
11431a7244871
1219687ab573b
13a64b583888
1455547b2bcb
152d6163263b
hex19e6c088df

111245560031 has 8 divisors (see below), whose sum is σ = 112920723840. Its totient is φ = 109570831128.

The previous prime is 111245560003. The next prime is 111245560033. The reversal of 111245560031 is 130065542111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-111245560031 is a prime.

It is a super-2 number, since 2×1112455600312 (a number of 23 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 = 111245559976 and 111245560003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111245560033) 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 7 ways as a sum of consecutive naturals, for example, 426380 + ... + 635838.

It is an arithmetic number, because the mean of its divisors is an integer number (14115090480).

Almost surely, 2111245560031 is an apocalyptic number.

111245560031 is a deficient number, since it is larger than the sum of its proper divisors (1675163809).

111245560031 is an equidigital number, since it uses as much as digits as its factorization.

111245560031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217453.

The product of its (nonzero) digits is 3600, while the sum is 29.

The spelling of 111245560031 in words is "one hundred eleven billion, two hundred forty-five million, five hundred sixty thousand, thirty-one".

Divisors: 1 67 7927 209459 531109 14033753 1660381493 111245560031