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28119027914 = 276918282853
BaseRepresentation
bin11010001100000001…
…100101000011001010
32200120122220121202022
4122030001211003022
5430041432343124
620530120204442
72013546536135
oct321401450312
980518817668
1028119027914
1110a1a50494a
125549009722
132861794373
14150a6d521c
15ae8928c5e
hex68c0650ca

28119027914 has 8 divisors (see below), whose sum is σ = 42233392740. Its totient is φ = 14041230336.

The previous prime is 28119027877. The next prime is 28119027919. The reversal of 28119027914 is 41972091182.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 25397840689 + 2721187225 = 159367^2 + 52165^2 .

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

It is a super-2 number, since 2×281190279142 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28119027919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9139889 + ... + 9142964.

Almost surely, 228119027914 is an apocalyptic number.

28119027914 is a deficient number, since it is larger than the sum of its proper divisors (14114364826).

28119027914 is a wasteful number, since it uses less digits than its factorization.

28119027914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18283624.

The product of its (nonzero) digits is 72576, while the sum is 44.

The spelling of 28119027914 in words is "twenty-eight billion, one hundred nineteen million, twenty-seven thousand, nine hundred fourteen".

Divisors: 1 2 769 1538 18282853 36565706 14059513957 28119027914