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20453514341 = 131573347257
BaseRepresentation
bin10011000011000111…
…111101110001100101
31221210102220011222012
4103003013331301211
5313342044424331
613221325444005
71322600001101
oct230307756145
957712804865
1020453514341
118746526067
123b69a10605
131c0c635110
14dc061a901
157ea9a082b
hex4c31fdc65

20453514341 has 4 divisors (see below), whose sum is σ = 22026861612. Its totient is φ = 18880167072.

The previous prime is 20453514337. The next prime is 20453514353. The reversal of 20453514341 is 14341535402.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4557600100 + 15895914241 = 67510^2 + 126079^2 .

It is not a de Polignac number, because 20453514341 - 22 = 20453514337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20453514298 and 20453514307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20453514541) 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 3 ways as a sum of consecutive naturals, for example, 786673616 + ... + 786673641.

It is an arithmetic number, because the mean of its divisors is an integer number (5506715403).

Almost surely, 220453514341 is an apocalyptic number.

It is an amenable number.

20453514341 is a deficient number, since it is larger than the sum of its proper divisors (1573347271).

20453514341 is a wasteful number, since it uses less digits than its factorization.

20453514341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573347270.

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 20453514341 in words is "twenty billion, four hundred fifty-three million, five hundred fourteen thousand, three hundred forty-one".

Divisors: 1 13 1573347257 20453514341