Search a number
-
+
12020143300 = 22521129376807
BaseRepresentation
bin10110011000111010…
…01101010011000100
31011000201000112202121
423030131031103010
5144104124041200
65304425215324
7603604350364
oct131435152304
934021015677
1012020143300
11510906a630
1223b5631544
131197398239
148205829a4
154a53ede1a
hex2cc74d4c4

12020143300 has 72 divisors (see below), whose sum is σ = 29436240960. Its totient is φ = 4220227200.

The previous prime is 12020143279. The next prime is 12020143319. The reversal of 12020143300 is 334102021.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 156504 + ... + 220303.

It is an arithmetic number, because the mean of its divisors is an integer number (408836680).

Almost surely, 212020143300 is an apocalyptic number.

12020143300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020143300 is an abundant number, since it is smaller than the sum of its proper divisors (17416097660).

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

12020143300 is a wasteful number, since it uses less digits than its factorization.

12020143300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376861 (or 376854 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12020143300 its reverse (334102021), we get a palindrome (12354245321).

The spelling of 12020143300 in words is "twelve billion, twenty million, one hundred forty-three thousand, three hundred".

Divisors: 1 2 4 5 10 11 20 22 25 29 44 50 55 58 100 110 116 145 220 275 290 319 550 580 638 725 1100 1276 1450 1595 2900 3190 6380 7975 15950 31900 376807 753614 1507228 1884035 3768070 4144877 7536140 8289754 9420175 10927403 16579508 18840350 20724385 21854806 37680700 41448770 43709612 54637015 82897540 103621925 109274030 120201433 207243850 218548060 240402866 273185075 414487700 480805732 546370150 601007165 1092740300 1202014330 2404028660 3005035825 6010071650 12020143300