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13231130000 = 245411120283
BaseRepresentation
bin11000101001010001…
…10000010110010000
31021011002201001012212
430110220300112100
5204044132130000
610024525011252
7645610515014
oct142450602620
937132631185
1013231130000
11567a69a890
1226930b3b28
13132b23840a
148d7332544
155268a9c35
hex314a30590

13231130000 has 100 divisors (see below), whose sum is σ = 34946351088. Its totient is φ = 4811280000.

The previous prime is 13231129973. The next prime is 13231130009. The reversal of 13231130000 is 3113231.

It is a tau number, because it is divible by the number of its divisors (100).

It is not an unprimeable number, because it can be changed into a prime (13231130009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 49859 + ... + 170141.

Almost surely, 213231130000 is an apocalyptic number.

13231130000 is a gapful number since it is divisible by the number (10) 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 13231130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17473175544).

13231130000 is an abundant number, since it is smaller than the sum of its proper divisors (21715221088).

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

13231130000 is a wasteful number, since it uses less digits than its factorization.

13231130000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120322 (or 120301 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 13231130000 its reverse (3113231), we get a palindrome (13234243231).

The spelling of 13231130000 in words is "thirteen billion, two hundred thirty-one million, one hundred thirty thousand".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 40 44 50 55 80 88 100 110 125 176 200 220 250 275 400 440 500 550 625 880 1000 1100 1250 1375 2000 2200 2500 2750 4400 5000 5500 6875 10000 11000 13750 22000 27500 55000 110000 120283 240566 481132 601415 962264 1202830 1323113 1924528 2405660 2646226 3007075 4811320 5292452 6014150 6615565 9622640 10584904 12028300 13231130 15035375 21169808 24056600 26462260 30070750 33077825 48113200 52924520 60141500 66155650 75176875 105849040 120283000 132311300 150353750 165389125 240566000 264622600 300707500 330778250 529245200 601415000 661556500 826945625 1202830000 1323113000 1653891250 2646226000 3307782500 6615565000 13231130000