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133003331533213 = 370935859620257
BaseRepresentation
bin11110001111011101000000…
…010101000111100110011101
3122102220222211212010222121221
4132033131000111013212131
5114413111310333030323
61150512515331453341
740005113354423431
oct3617350025074635
9572828755128557
10133003331533213
113941943a296139
1212b00b2a757251
13592a2113881cb
1424bb57771c9c1
151059ac651d55d
hex78f74054799d

133003331533213 has 4 divisors (see below), whose sum is σ = 133039191157180. Its totient is φ = 132967471909248.

The previous prime is 133003331533187. The next prime is 133003331533243. The reversal of 133003331533213 is 312335133300331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 59634890303769 + 73368441229444 = 7722363^2 + 8565538^2 .

It is a cyclic number.

It is not a de Polignac number, because 133003331533213 - 229 = 133002794662301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133003331533243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17929806420 + ... + 17929813837.

It is an arithmetic number, because the mean of its divisors is an integer number (33259797789295).

Almost surely, 2133003331533213 is an apocalyptic number.

It is an amenable number.

133003331533213 is a deficient number, since it is larger than the sum of its proper divisors (35859623967).

133003331533213 is an equidigital number, since it uses as much as digits as its factorization.

133003331533213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35859623966.

The product of its (nonzero) digits is 65610, while the sum is 34.

Adding to 133003331533213 its reverse (312335133300331), we get a palindrome (445338464833544).

The spelling of 133003331533213 in words is "one hundred thirty-three trillion, three billion, three hundred thirty-one million, five hundred thirty-three thousand, two hundred thirteen".

Divisors: 1 3709 35859620257 133003331533213