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22012514143 = 22699969757
BaseRepresentation
bin10100100000000011…
…000100111101011111
32002211002102120122121
4110200003010331133
5330040200423033
614040140323411
71406330166034
oct244003047537
962732376577
1022012514143
119376543754
124323b43567
1320ca613cc9
1410cb6bb38b
1588c7a162d
hex5200c4f5f

22012514143 has 4 divisors (see below), whose sum is σ = 22013506600. Its totient is φ = 22011521688.

The previous prime is 22012514123. The next prime is 22012514171. The reversal of 22012514143 is 34141521022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22012514143 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 (22012514123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462180 + ... + 507577.

It is an arithmetic number, because the mean of its divisors is an integer number (5503376650).

Almost surely, 222012514143 is an apocalyptic number.

22012514143 is a deficient number, since it is larger than the sum of its proper divisors (992457).

22012514143 is an equidigital number, since it uses as much as digits as its factorization.

22012514143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992456.

The product of its (nonzero) digits is 1920, while the sum is 25.

The spelling of 22012514143 in words is "twenty-two billion, twelve million, five hundred fourteen thousand, one hundred forty-three".

Divisors: 1 22699 969757 22012514143