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13453525432 = 231681690679
BaseRepresentation
bin11001000011110010…
…01000000110111000
31021201121011220101201
430201321020012320
5210023100303212
610102551423544
7654251036134
oct144171100670
937647156351
1013453525432
115784189866
122735684bb4
131365334249
14918aa43c4
1553b189b57
hex321e481b8

13453525432 has 8 divisors (see below), whose sum is σ = 25225360200. Its totient is φ = 6726762712.

The previous prime is 13453525409. The next prime is 13453525441. The reversal of 13453525432 is 23452535431.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 13453525391 and 13453525400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 840845332 + ... + 840845347.

It is an arithmetic number, because the mean of its divisors is an integer number (3153170025).

Almost surely, 213453525432 is an apocalyptic number.

It is an amenable number.

13453525432 is a deficient number, since it is larger than the sum of its proper divisors (11771834768).

13453525432 is a wasteful number, since it uses less digits than its factorization.

13453525432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681690685 (or 1681690681 counting only the distinct ones).

The product of its digits is 216000, while the sum is 37.

Subtracting 13453525432 from its reverse (23452535431), we obtain a palindrome (9999009999).

The spelling of 13453525432 in words is "thirteen billion, four hundred fifty-three million, five hundred twenty-five thousand, four hundred thirty-two".

Divisors: 1 2 4 8 1681690679 3363381358 6726762716 13453525432