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20046337461 = 33742456943
BaseRepresentation
bin10010101010110110…
…101101010110110101
31220202001201110022000
4102222312231112311
5312023330244321
613113102325513
71306524025353
oct225266552665
956661643260
1020046337461
1185576a9047
123a75589899
131b7617cc57
14d825087d3
157c4d70826
hex4aadad5b5

20046337461 has 8 divisors (see below), whose sum is σ = 29698277760. Its totient is φ = 13364224956.

The previous prime is 20046337433. The next prime is 20046337517. The reversal of 20046337461 is 16473364002.

It is a happy number.

It is not a de Polignac number, because 20046337461 - 225 = 20012783029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20046330461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371228445 + ... + 371228498.

It is an arithmetic number, because the mean of its divisors is an integer number (3712284720).

Almost surely, 220046337461 is an apocalyptic number.

It is an amenable number.

20046337461 is a deficient number, since it is larger than the sum of its proper divisors (9651940299).

20046337461 is an equidigital number, since it uses as much as digits as its factorization.

20046337461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742456952 (or 742456946 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The spelling of 20046337461 in words is "twenty billion, forty-six million, three hundred thirty-seven thousand, four hundred sixty-one".

Divisors: 1 3 9 27 742456943 2227370829 6682112487 20046337461