Search a number
-
+
13143462344 = 231937283761
BaseRepresentation
bin11000011110110100…
…10101000111001000
31020220222202001210122
430033122111013020
5203404211243334
610012114002412
7643464405125
oct141732250710
936828661718
1013143462344
115635161881
122669876408
131316021c6c
148c983174c
1551dd3e32e
hex30f6951c8

13143462344 has 96 divisors (see below), whose sum is σ = 27017776800. Its totient is φ = 5976737280.

The previous prime is 13143462341. The next prime is 13143462361. The reversal of 13143462344 is 44326434131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13143462341) 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, 17270924 + ... + 17271684.

It is an arithmetic number, because the mean of its divisors is an integer number (281435175).

Almost surely, 213143462344 is an apocalyptic number.

It is an amenable number.

13143462344 is an abundant number, since it is smaller than the sum of its proper divisors (13874314456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13143462344 is a wasteful number, since it uses less digits than its factorization.

13143462344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943 (or 902 counting only the distinct ones).

The product of its digits is 82944, while the sum is 35.

Adding to 13143462344 its reverse (44326434131), we get a palindrome (57469896475).

The spelling of 13143462344 in words is "thirteen billion, one hundred forty-three million, four hundred sixty-two thousand, three hundred forty-four".

Divisors: 1 2 4 8 19 37 38 74 76 83 148 152 166 296 332 664 703 761 1369 1406 1522 1577 2738 2812 3044 3071 3154 5476 5624 6088 6142 6308 10952 12284 12616 14459 24568 26011 28157 28918 52022 56314 57836 58349 63163 104044 112628 113627 115672 116698 126326 208088 225256 227254 233396 252652 454508 466792 505304 534983 909016 1041809 1069966 1200097 2083618 2139932 2158913 2337031 2400194 4167236 4279864 4317826 4674062 4800388 8334472 8635652 9348124 9600776 17271304 18696248 19794371 39588742 44403589 79177484 86470147 88807178 158354968 172940294 177614356 345880588 355228712 691761176 1642932793 3285865586 6571731172 13143462344