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13625001853 = 731091712329
BaseRepresentation
bin11001011000001110…
…10000011101111101
31022011112211210211021
430230013100131331
5210401000024403
610131555024141
7661432414321
oct145407203575
938145753737
1013625001853
115861a5a611
122782b9b051
131391a12598
1493377d981
1554b25c8bd
hex32c1d077d

13625001853 has 8 divisors (see below), whose sum is σ = 13938366200. Its totient is φ = 13315062528.

The previous prime is 13625001851. The next prime is 13625001877. The reversal of 13625001853 is 35810052631.

It can be written as a sum of positive squares in 4 ways, for example, as 2700153369 + 10924848484 = 51963^2 + 104522^2 .

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 13625001853 - 21 = 13625001851 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 (13625001851) 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, 848208 + ... + 864121.

It is an arithmetic number, because the mean of its divisors is an integer number (1742295775).

Almost surely, 213625001853 is an apocalyptic number.

It is an amenable number.

13625001853 is a deficient number, since it is larger than the sum of its proper divisors (313364347).

13625001853 is a wasteful number, since it uses less digits than its factorization.

13625001853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712511.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 13625001853 in words is "thirteen billion, six hundred twenty-five million, one thousand, eight hundred fifty-three".

Divisors: 1 73 109 7957 1712329 125000017 186643861 13625001853