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13442113601 = 721811937853
BaseRepresentation
bin11001000010011011…
…00110000001000001
31021200210201010022022
430201031212001001
5210012140113401
610101503051225
7654052036400
oct144115460101
937623633268
1013442113601
1157787a49a4
1227318a0b15
131362b69b97
14917373637
1553a18371b
hex321366041

13442113601 has 24 divisors (see below), whose sum is σ = 15806614824. Its totient is φ = 11397335040.

The previous prime is 13442113591. The next prime is 13442113621. The reversal of 13442113601 is 10631124431.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2073436225 + 11368677376 = 45535^2 + 106624^2 .

It is not a de Polignac number, because 13442113601 - 210 = 13442112577 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13442113621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1707791 + ... + 1715643.

It is an arithmetic number, because the mean of its divisors is an integer number (658608951).

Almost surely, 213442113601 is an apocalyptic number.

It is an amenable number.

13442113601 is a deficient number, since it is larger than the sum of its proper divisors (2364501223).

13442113601 is a wasteful number, since it uses less digits than its factorization.

13442113601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8241 (or 8234 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 13442113601 in words is "thirteen billion, four hundred forty-two million, one hundred thirteen thousand, six hundred one".

Divisors: 1 7 49 181 193 1267 1351 7853 8869 9457 34933 54971 244531 384797 1421393 1515629 1711717 9949751 10609403 69648257 74265821 274328849 1920301943 13442113601