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20083981607 is a prime number
BaseRepresentation
bin10010101101000110…
…010011110100100111
31220211200112222100122
4102231012103310213
5312112444402412
613120525232155
71310462012144
oct225506236447
956750488318
1020083981607
11857697a708
123a8610265b
131b80c003b1
14d875073cb
157c8309572
hex4ad193d27

20083981607 has 2 divisors, whose sum is σ = 20083981608. Its totient is φ = 20083981606.

The previous prime is 20083981583. The next prime is 20083981649. The reversal of 20083981607 is 70618938002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20083981607 - 216 = 20083916071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20083981657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10041990803 + 10041990804.

It is an arithmetic number, because the mean of its divisors is an integer number (10041990804).

Almost surely, 220083981607 is an apocalyptic number.

20083981607 is a deficient number, since it is larger than the sum of its proper divisors (1).

20083981607 is an equidigital number, since it uses as much as digits as its factorization.

20083981607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 20083981607 in words is "twenty billion, eighty-three million, nine hundred eighty-one thousand, six hundred seven".