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20060715715 = 54012143143
BaseRepresentation
bin10010101011101101…
…100011101011000011
31220210001202221112221
4102223231203223003
5312041020400330
613114334431511
71310060161435
oct225355435303
956701687487
1020060715715
1185648296a7
123a7a362597
131b791455b1
14d843ac655
157c6260b7a
hex4abb63ac3

20060715715 has 4 divisors (see below), whose sum is σ = 24072858864. Its totient is φ = 16048572568.

The previous prime is 20060715671. The next prime is 20060715761. The reversal of 20060715715 is 51751706002.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20060715715 - 215 = 20060682947 is a prime.

It is a super-2 number, since 2×200607157152 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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, 2006071567 + ... + 2006071576.

It is an arithmetic number, because the mean of its divisors is an integer number (6018214716).

Almost surely, 220060715715 is an apocalyptic number.

20060715715 is a deficient number, since it is larger than the sum of its proper divisors (4012143149).

20060715715 is an equidigital number, since it uses as much as digits as its factorization.

20060715715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4012143148.

The product of its (nonzero) digits is 14700, while the sum is 34.

The spelling of 20060715715 in words is "twenty billion, sixty million, seven hundred fifteen thousand, seven hundred fifteen".

Divisors: 1 5 4012143143 20060715715