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202552033121 = 311651292711
BaseRepresentation
bin1011110010100100001…
…0101011111101100001
3201100211012101101210122
42330221002223331201
511304311310024441
6233015013010025
720430266605544
oct2745102537541
9640735341718
10202552033121
11789a1384489
123330a323915
131613cc69249
149b36dd885b
15540752c34b
hex2f290abf61

202552033121 has 4 divisors (see below), whose sum is σ = 203203326144. Its totient is φ = 201900740100.

The previous prime is 202552033093. The next prime is 202552033141. The reversal of 202552033121 is 121330255202.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-202552033121 is a prime.

It is a super-2 number, since 2×2025520331212 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (202552033141) 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, 325646045 + ... + 325646666.

It is an arithmetic number, because the mean of its divisors is an integer number (50800831536).

Almost surely, 2202552033121 is an apocalyptic number.

It is an amenable number.

202552033121 is a deficient number, since it is larger than the sum of its proper divisors (651293023).

202552033121 is an equidigital number, since it uses as much as digits as its factorization.

202552033121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651293022.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 202552033121 its reverse (121330255202), we get a palindrome (323882288323).

The spelling of 202552033121 in words is "two hundred two billion, five hundred fifty-two million, thirty-three thousand, one hundred twenty-one".

Divisors: 1 311 651292711 202552033121