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72111242023 is a prime number
BaseRepresentation
bin100001100101000101…
…0100011101100100111
320220010120000122110121
41003022022203230213
52140140434221043
653043310102411
75131661305132
oct1031212435447
9226116018417
1072111242023
1128644a09497
1211b85aaaa07
136a529704a2
1436c118b219
151d20b48ded
hex10ca2a3b27

72111242023 has 2 divisors, whose sum is σ = 72111242024. Its totient is φ = 72111242022.

The previous prime is 72111242017. The next prime is 72111242029. The reversal of 72111242023 is 32024211127.

It is a balanced prime because it is at equal distance from previous prime (72111242017) and next prime (72111242029).

It is a cyclic number.

It is not a de Polignac number, because 72111242023 - 25 = 72111241991 is a prime.

It is a super-2 number, since 2×721112420232 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72111242029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36055621011 + 36055621012.

It is an arithmetic number, because the mean of its divisors is an integer number (36055621012).

Almost surely, 272111242023 is an apocalyptic number.

72111242023 is a deficient number, since it is larger than the sum of its proper divisors (1).

72111242023 is an equidigital number, since it uses as much as digits as its factorization.

72111242023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 25.

The spelling of 72111242023 in words is "seventy-two billion, one hundred eleven million, two hundred forty-two thousand, twenty-three".