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13244443152 = 243678946273
BaseRepresentation
bin11000101010110111…
…00010101000010000
31021012000202102102120
430111123202220100
5204111034140102
610030122214240
7646131623613
oct142533425020
937160672376
1013244443152
115687163196
122697654380
131330c1a015
148d8dda17a
15527b396bc
hex3156e2a10

13244443152 has 80 divisors (see below), whose sum is σ = 35116413120. Its totient is φ = 4299964416.

The previous prime is 13244443123. The next prime is 13244443169. The reversal of 13244443152 is 25134444231.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263088 + ... + 309360.

It is an arithmetic number, because the mean of its divisors is an integer number (438955164).

Almost surely, 213244443152 is an apocalyptic number.

13244443152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13244443152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17558206560).

13244443152 is an abundant number, since it is smaller than the sum of its proper divisors (21871969968).

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

13244443152 is a wasteful number, since it uses less digits than its factorization.

13244443152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46440 (or 46434 counting only the distinct ones).

The product of its digits is 46080, while the sum is 33.

Adding to 13244443152 its reverse (25134444231), we get a palindrome (38378887383).

The spelling of 13244443152 in words is "thirteen billion, two hundred forty-four million, four hundred forty-three thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 67 89 134 178 201 267 268 356 402 534 536 712 804 1068 1072 1424 1608 2136 3216 4272 5963 11926 17889 23852 35778 46273 47704 71556 92546 95408 138819 143112 185092 277638 286224 370184 555276 740368 1110552 2221104 3100291 4118297 6200582 8236594 9300873 12354891 12401164 16473188 18601746 24709782 24802328 32946376 37203492 49419564 49604656 65892752 74406984 98839128 148813968 197678256 275925899 551851798 827777697 1103703596 1655555394 2207407192 3311110788 4414814384 6622221576 13244443152