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20412799707 = 37698848201
BaseRepresentation
bin10011000000101100…
…101001101011011011
31221200121021122222210
4103000230221223123
5313301134042312
613213313050203
71321563635406
oct230054515333
957617248883
1020412799707
118725547603
123b58256963
131c0407b211
14db905cd3d
157e710be3c
hex4c0b29adb

20412799707 has 8 divisors (see below), whose sum is σ = 27252462160. Its totient is φ = 13590835200.

The previous prime is 20412799699. The next prime is 20412799711. The reversal of 20412799707 is 70799721402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20412799707 - 23 = 20412799699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20412799747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4421794 + ... + 4426407.

It is an arithmetic number, because the mean of its divisors is an integer number (3406557770).

Almost surely, 220412799707 is an apocalyptic number.

20412799707 is a deficient number, since it is larger than the sum of its proper divisors (6839662453).

20412799707 is an equidigital number, since it uses as much as digits as its factorization.

20412799707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8848973.

The product of its (nonzero) digits is 444528, while the sum is 48.

The spelling of 20412799707 in words is "twenty billion, four hundred twelve million, seven hundred ninety-nine thousand, seven hundred seven".

Divisors: 1 3 769 2307 8848201 26544603 6804266569 20412799707