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203112141233 = 1907091065037
BaseRepresentation
bin1011110100101001101…
…1010101000110110001
3201102021020022211200112
42331022123111012301
511311433202004413
6233150342031105
720450210500031
oct2751233250661
9642236284615
10203112141233
1179159565a51
1233445a18495
13161cc008571
149b8b5598c1
15543b7ba2a8
hex2f4a6d51b1

203112141233 has 4 divisors (see below), whose sum is σ = 203113396980. Its totient is φ = 203110885488.

The previous prime is 203112141139. The next prime is 203112141257. The reversal of 203112141233 is 332141211302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 332141211302 = 2166070605651.

It can be written as a sum of positive squares in 2 ways, for example, as 2106075664 + 201006065569 = 45892^2 + 448337^2 .

It is a cyclic number.

It is not a de Polignac number, because 203112141233 - 214 = 203112124849 is a prime.

It is a super-5 number, since 5×2031121412335 (a number of 58 digits) contains 55555 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203112141199 and 203112141208.

It is not an unprimeable number, because it can be changed into a prime (203112141263) 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, 341810 + ... + 723227.

It is an arithmetic number, because the mean of its divisors is an integer number (50778349245).

Almost surely, 2203112141233 is an apocalyptic number.

It is an amenable number.

203112141233 is a deficient number, since it is larger than the sum of its proper divisors (1255747).

203112141233 is a wasteful number, since it uses less digits than its factorization.

203112141233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255746.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 203112141233 its reverse (332141211302), we get a palindrome (535253352535).

The spelling of 203112141233 in words is "two hundred three billion, one hundred twelve million, one hundred forty-one thousand, two hundred thirty-three".

Divisors: 1 190709 1065037 203112141233