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20269800307 = 181199562753
BaseRepresentation
bin10010111000001011…
…001001101101110011
31221022122012112200201
4102320023021231303
5313003032102212
613151204100031
71315206313501
oct227013115563
957278175621
1020269800307
118661856a89
123b18394617
131bb05608a3
14da4077671
157d97b1b57
hex4b82c9b73

20269800307 has 8 divisors (see below), whose sum is σ = 20484245600. Its totient is φ = 20056481280.

The previous prime is 20269800301. The next prime is 20269800323. The reversal of 20269800307 is 70300896202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20269800307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20269800301) 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, 245358 + ... + 317395.

It is an arithmetic number, because the mean of its divisors is an integer number (2560530700).

Almost surely, 220269800307 is an apocalyptic number.

20269800307 is a deficient number, since it is larger than the sum of its proper divisors (214445293).

20269800307 is a wasteful number, since it uses less digits than its factorization.

20269800307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563133.

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 20269800307 in words is "twenty billion, two hundred sixty-nine million, eight hundred thousand, three hundred seven".

Divisors: 1 181 199 36019 562753 101858293 111987847 20269800307