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13144042132 = 2213443570587
BaseRepresentation
bin11000011110111001…
…00010101010010100
31020221000211112010021
430033130202222110
5203404333322012
610012134234524
7643502341354
oct141734425224
936830745107
1013144042132
115635518441
122669ab5a44
131316195b30
148c9942b64
1551de06007
hex30f722a94

13144042132 has 24 divisors (see below), whose sum is σ = 24827425056. Its totient is φ = 6052776288.

The previous prime is 13144042127. The next prime is 13144042169. The reversal of 13144042132 is 23124044131.

It is a super-2 number, since 2×131440421322 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13144042097 and 13144042106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262258 + ... + 308329.

It is an arithmetic number, because the mean of its divisors is an integer number (1034476044).

Almost surely, 213144042132 is an apocalyptic number.

It is an amenable number.

13144042132 is a deficient number, since it is larger than the sum of its proper divisors (11683382924).

13144042132 is a wasteful number, since it uses less digits than its factorization.

13144042132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571047 (or 571045 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 13144042132 its reverse (23124044131), we get a palindrome (36268086263).

The spelling of 13144042132 in words is "thirteen billion, one hundred forty-four million, forty-two thousand, one hundred thirty-two".

Divisors: 1 2 4 13 26 52 443 886 1772 5759 11518 23036 570587 1141174 2282348 7417631 14835262 29670524 252770041 505540082 1011080164 3286010533 6572021066 13144042132