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13825699999 = 197110248851
BaseRepresentation
bin11001110000001001…
…10111000010011111
31022200112111022220221
430320010313002133
5211303334344444
610203524422211
7666420340156
oct147004670237
938615438827
1013825699999
11595527a051
12281a247967
1313c4482597
149522a459d
1555dba3a84
hex33813709f

13825699999 has 8 divisors (see below), whose sum is σ = 14758346880. Its totient is φ = 12913551000.

The previous prime is 13825699981. The next prime is 13825700011. The reversal of 13825699999 is 99999652831.

13825699999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13825699999 - 213 = 13825691807 is a prime.

It is a super-2 number, since 2×138256999992 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13825699919) 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, 5123077 + ... + 5125774.

It is an arithmetic number, because the mean of its divisors is an integer number (1844793360).

Almost surely, 213825699999 is an apocalyptic number.

13825699999 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

13825699999 is a deficient number, since it is larger than the sum of its proper divisors (932646881).

13825699999 is a wasteful number, since it uses less digits than its factorization.

13825699999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10248941.

The product of its digits is 85030560, while the sum is 70.

The spelling of 13825699999 in words is "thirteen billion, eight hundred twenty-five million, six hundred ninety-nine thousand, nine hundred ninety-nine".

Divisors: 1 19 71 1349 10248851 194728169 727668421 13825699999