Search a number
-
+
13144975124 = 2219172960199
BaseRepresentation
bin11000011111000000…
…00110011100010100
31020221002120220221112
430033200012130110
5203410103200444
610012210234152
7643513305431
oct141740063424
936832526845
1013144975124
115635aa5406
12266a285958
1313164316b8
148c9b06b88
1551e03c69e
hex30f806714

13144975124 has 12 divisors (see below), whose sum is σ = 24214428000. Its totient is φ = 6226567128.

The previous prime is 13144975121. The next prime is 13144975139. The reversal of 13144975124 is 42157944131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13144975121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86480024 + ... + 86480175.

It is an arithmetic number, because the mean of its divisors is an integer number (2017869000).

Almost surely, 213144975124 is an apocalyptic number.

It is an amenable number.

13144975124 is a deficient number, since it is larger than the sum of its proper divisors (11069452876).

13144975124 is a wasteful number, since it uses less digits than its factorization.

13144975124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172960222 (or 172960220 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The spelling of 13144975124 in words is "thirteen billion, one hundred forty-four million, nine hundred seventy-five thousand, one hundred twenty-four".

Divisors: 1 2 4 19 38 76 172960199 345920398 691840796 3286243781 6572487562 13144975124