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20527319903 = 671193256813
BaseRepresentation
bin10011000111100001…
…100000101101011111
31221222120202220011112
4103013201200231133
5314014443214103
613232523412235
71324454224466
oct230741405537
957876686145
1020527319903
1187841562a2
123b8a68407b
131c21a06b4c
14dca34d9dd
158021cdcd8
hex4c7860b5f

20527319903 has 8 divisors (see below), whose sum is σ = 20851242288. Its totient is φ = 20203913664.

The previous prime is 20527319863. The next prime is 20527319909. The reversal of 20527319903 is 30991372502.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20527319903 - 210 = 20527318879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20527319909) 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, 48476 + ... + 208337.

It is an arithmetic number, because the mean of its divisors is an integer number (2606405286).

Almost surely, 220527319903 is an apocalyptic number.

20527319903 is a deficient number, since it is larger than the sum of its proper divisors (323922385).

20527319903 is a wasteful number, since it uses less digits than its factorization.

20527319903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258073.

The product of its (nonzero) digits is 102060, while the sum is 41.

The spelling of 20527319903 in words is "twenty billion, five hundred twenty-seven million, three hundred nineteen thousand, nine hundred three".

Divisors: 1 67 1193 79931 256813 17206471 306377909 20527319903