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20253876914 = 210126938457
BaseRepresentation
bin10010110111001110…
…011010001010110010
31221021112020112220102
4102313032122022302
5312434443030124
613145434512402
71314624053555
oct226716321262
957245215812
1020253876914
118653870557
123b12b95702
131baa176b6b
14da1cd069c
157d81b8aae
hex4b739a2b2

20253876914 has 4 divisors (see below), whose sum is σ = 30380815374. Its totient is φ = 10126938456.

The previous prime is 20253876911. The next prime is 20253876917. The reversal of 20253876914 is 41967835202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41967835202 = 220983917601.

It is an interprime number because it is at equal distance from previous prime (20253876911) and next prime (20253876917).

It can be written as a sum of positive squares in only one way, i.e., 12136767889 + 8117109025 = 110167^2 + 90095^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20253876911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5063469227 + ... + 5063469230.

It is a 1-persistent number, because it is pandigital, but 2⋅20253876914 = 40507753828 is not.

Almost surely, 220253876914 is an apocalyptic number.

20253876914 is a deficient number, since it is larger than the sum of its proper divisors (10126938460).

20253876914 is a wasteful number, since it uses less digits than its factorization.

20253876914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10126938459.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 20253876914 in words is "twenty billion, two hundred fifty-three million, eight hundred seventy-six thousand, nine hundred fourteen".

Divisors: 1 2 10126938457 20253876914