Search a number
-
+
33133400231 = 178599226657
BaseRepresentation
bin11110110110111001…
…111001000010100111
310011112010100010102112
4132312321321002213
51020324122301411
623115443431235
72252035153331
oct366671710247
9104463303375
1033133400231
1113062a38aa8
12650838551b
1331805b5989
141864658451
15cddc6db8b
hex7b6e790a7

33133400231 has 8 divisors (see below), whose sum is σ = 35086658400. Its totient is φ = 31180612608.

The previous prime is 33133400207. The next prime is 33133400281. The reversal of 33133400231 is 13200433133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-33133400231 is a prime.

It is a super-2 number, since 2×331334002312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33133400197 and 33133400206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33133400281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32855 + ... + 259511.

It is an arithmetic number, because the mean of its divisors is an integer number (4385832300).

Almost surely, 233133400231 is an apocalyptic number.

33133400231 is a deficient number, since it is larger than the sum of its proper divisors (1953258169).

33133400231 is a wasteful number, since it uses less digits than its factorization.

33133400231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235273.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 33133400231 its reverse (13200433133), we get a palindrome (46333833364).

The spelling of 33133400231 in words is "thirty-three billion, one hundred thirty-three million, four hundred thousand, two hundred thirty-one".

Divisors: 1 17 8599 146183 226657 3853169 1949023543 33133400231