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33123005141 = 301131099957
BaseRepresentation
bin11110110110010010…
…001111001011010101
310011111101210000001012
4132312102033023111
51020313442131031
623114432542005
72251550620052
oct366622171325
9104441700035
1033123005141
1113058089016
1265049b1905
13317b3b6335
141863110029
15cdcdb8b2b
hex7b648f2d5

33123005141 has 4 divisors (see below), whose sum is σ = 33124135212. Its totient is φ = 33121875072.

The previous prime is 33123005089. The next prime is 33123005189. The reversal of 33123005141 is 14150032133.

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 12751152241 + 20371852900 = 112921^2 + 142730^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-33123005141 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 (33123005441) 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, 519866 + ... + 580091.

It is an arithmetic number, because the mean of its divisors is an integer number (8281033803).

Almost surely, 233123005141 is an apocalyptic number.

It is an amenable number.

33123005141 is a deficient number, since it is larger than the sum of its proper divisors (1130071).

33123005141 is a wasteful number, since it uses less digits than its factorization.

33123005141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130070.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 33123005141 its reverse (14150032133), we get a palindrome (47273037274).

The spelling of 33123005141 in words is "thirty-three billion, one hundred twenty-three million, five thousand, one hundred forty-one".

Divisors: 1 30113 1099957 33123005141