Search a number
-
+
13212223113100 = 22521112011111921
BaseRepresentation
bin1100000001000011010111…
…0111011000011110001100
31201210002001112201200202111
43000100311313120132030
53212432113104104400
644033340030233404
72532360130322554
oct300206567303614
951702045650674
1013212223113100
1142342aa561760
12159474a955864
1374aba442979b
14339691602164
1517da30c4e3ba
hexc0435dd878c

13212223113100 has 36 divisors (see below), whose sum is σ = 31276935444888. Its totient is φ = 4804444768000.

The previous prime is 13212223113077. The next prime is 13212223113109. The reversal of 13212223113100 is 131132221231.

It is a super-2 number, since 2×132122231131002 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (13212223113109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6005554861 + ... + 6005557060.

It is an arithmetic number, because the mean of its divisors is an integer number (868803762358).

Almost surely, 213212223113100 is an apocalyptic number.

13212223113100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13212223113100 is an abundant number, since it is smaller than the sum of its proper divisors (18064712331788).

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

13212223113100 is a wasteful number, since it uses less digits than its factorization.

13212223113100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12011111946 (or 12011111939 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 13212223113100 its reverse (131132221231), we get a palindrome (13343355334331).

The spelling of 13212223113100 in words is "thirteen trillion, two hundred twelve billion, two hundred twenty-three million, one hundred thirteen thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 550 1100 12011111921 24022223842 48044447684 60055559605 120111119210 132122231131 240222238420 264244462262 300277798025 528488924524 600555596050 660611155655 1201111192100 1321222311310 2642444622620 3303055778275 6606111556550 13212223113100