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13212003203233 = 28328946637897
BaseRepresentation
bin1100000001000010100011…
…0000011111100010100001
31201210001111012221010010121
43000100220300133202201
53212431140310000413
644033302133000241
72532351520163122
oct300205060374241
951701435833117
1013212003203233
1142341a741016a
1215946a9183081
1374ab6a9c10c3
1433967031a049
1517da1b7b0b8d
hexc0428c1f8a1

13212003203233 has 4 divisors (see below), whose sum is σ = 13212050124420. Its totient is φ = 13211956282048.

The previous prime is 13212003203213. The next prime is 13212003203239. The reversal of 13212003203233 is 33230230021231.

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 1434971597409 + 11777031605824 = 1197903^2 + 3431768^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13212003203233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13212003203198 and 13212003203207.

It is not an unprimeable number, because it can be changed into a prime (13212003203239) 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, 23035660 + ... + 23602237.

It is an arithmetic number, because the mean of its divisors is an integer number (3303012531105).

Almost surely, 213212003203233 is an apocalyptic number.

It is an amenable number.

13212003203233 is a deficient number, since it is larger than the sum of its proper divisors (46921187).

13212003203233 is an equidigital number, since it uses as much as digits as its factorization.

13212003203233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46921186.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 13212003203233 its reverse (33230230021231), we get a palindrome (46442233224464).

The spelling of 13212003203233 in words is "thirteen trillion, two hundred twelve billion, three million, two hundred three thousand, two hundred thirty-three".

Divisors: 1 283289 46637897 13212003203233