Search a number
-
+
133120212000 = 2535329173803
BaseRepresentation
bin111101111111010010…
…1010011110000100000
3110201121101011102211020
41323332211103300200
54140112233241000
6141053220045440
712421562063226
oct1737645236040
9421541142736
10133120212000
1151501986636
1221971833880
13c726458619
14662ba44b16
1536e1c50ba0
hex1efe953c20

133120212000 has 192 divisors, whose sum is σ = 436366030464. Its totient is φ = 35477222400.

The previous prime is 133120211947. The next prime is 133120212007. The reversal of 133120212000 is 212021331.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (133120212007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35002099 + ... + 35005901.

It is an arithmetic number, because the mean of its divisors is an integer number (2272739742).

Almost surely, 2133120212000 is an apocalyptic number.

133120212000 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 133120212000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218183015232).

133120212000 is an abundant number, since it is smaller than the sum of its proper divisors (303245818464).

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

133120212000 is a wasteful number, since it uses less digits than its factorization.

133120212000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6748 (or 6730 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 133120212000 its reverse (212021331), we get a palindrome (133332233331).

The spelling of 133120212000 in words is "one hundred thirty-three billion, one hundred twenty million, two hundred twelve thousand".