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20525226115 = 523057178039
BaseRepresentation
bin10011000111011001…
…100001100010000011
31221222102211112000211
4103013121201202003
5314013424213430
613232410454551
71324430354242
oct230731414203
957872745024
1020525226115
118782a56199
123b89a34457
131c21452b14
14dc9d66959
15801e1872a
hex4c7661883

20525226115 has 8 divisors (see below), whose sum is σ = 24631477920. Its totient is φ = 16419376512.

The previous prime is 20525226079. The next prime is 20525226119. The reversal of 20525226115 is 51162252502.

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 20525226115 - 29 = 20525225603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20525226119) 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, 26266 + ... + 204304.

It is an arithmetic number, because the mean of its divisors is an integer number (3078934740).

Almost surely, 220525226115 is an apocalyptic number.

20525226115 is a deficient number, since it is larger than the sum of its proper divisors (4106251805).

20525226115 is a wasteful number, since it uses less digits than its factorization.

20525226115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201101.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 20525226115 its reverse (51162252502), we get a palindrome (71687478617).

The spelling of 20525226115 in words is "twenty billion, five hundred twenty-five million, two hundred twenty-six thousand, one hundred fifteen".

Divisors: 1 5 23057 115285 178039 890195 4105045223 20525226115