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20142520001 = 84292389669
BaseRepresentation
bin10010110000100101…
…100111011011000001
31220222202201000221022
4102300211213123001
5312222441120001
613130420035225
71312102411052
oct226045473301
956882630838
1020142520001
1185a6a2244a
123aa1832b15
131b90087cb6
14d911c4729
157cd51e11b
hex4b09676c1

20142520001 has 4 divisors (see below), whose sum is σ = 20144918100. Its totient is φ = 20140121904.

The previous prime is 20142519889. The next prime is 20142520003. The reversal of 20142520001 is 10002524102.

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 4285666225 + 15856853776 = 65465^2 + 125924^2 .

It is a cyclic number.

It is not a de Polignac number, because 20142520001 - 214 = 20142503617 is a prime.

It is a super-2 number, since 2×201425200012 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20142520003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1186406 + ... + 1203263.

It is an arithmetic number, because the mean of its divisors is an integer number (5036229525).

Almost surely, 220142520001 is an apocalyptic number.

It is an amenable number.

20142520001 is a deficient number, since it is larger than the sum of its proper divisors (2398099).

20142520001 is an equidigital number, since it uses as much as digits as its factorization.

20142520001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2398098.

The product of its (nonzero) digits is 160, while the sum is 17.

The spelling of 20142520001 in words is "twenty billion, one hundred forty-two million, five hundred twenty thousand, one".

Divisors: 1 8429 2389669 20142520001