Search a number
-
+
13112033231000 = 2353112417725943
BaseRepresentation
bin1011111011001110001000…
…0101010100000010011000
31201102111110010210100020102
42332303202011110002120
53204311421001343000
643515330201314532
72522212256350124
oct276634205240230
951374403710212
1013112033231000
1141a5866a24400
121579249495a48
137415c8496192
143348a9274584
1517b11a0083d5
hexbece2154098

13112033231000 has 192 divisors, whose sum is σ = 33734390639040. Its totient is φ = 4766686848000.

The previous prime is 13112033230979. The next prime is 13112033231029. The reversal of 13112033231000 is 13233021131.

It is a super-2 number, since 2×131120332310002 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 505404029 + ... + 505429971.

It is an arithmetic number, because the mean of its divisors is an integer number (175699951245).

Almost surely, 213112033231000 is an apocalyptic number.

13112033231000 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 13112033231000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16867195319520).

13112033231000 is an abundant number, since it is smaller than the sum of its proper divisors (20622357408040).

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

13112033231000 is a wasteful number, since it uses less digits than its factorization.

13112033231000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30163 (or 30138 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 13112033231000 its reverse (13233021131), we get a palindrome (13125266252131).

The spelling of 13112033231000 in words is "thirteen trillion, one hundred twelve billion, thirty-three million, two hundred thirty-one thousand".