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30211103233 = 43369771601
BaseRepresentation
bin11100001000101110…
…001101101000000001
32212222110112001120101
4130020232031220001
5443333020300413
621513452442401
72116442066113
oct341056155001
985873461511
1030211103233
11118a3420013
125a31779401
132b0603915c
1416684bb3b3
15bbc427edd
hex708b8da01

30211103233 has 4 divisors (see below), whose sum is σ = 30280875268. Its totient is φ = 30141331200.

The previous prime is 30211103183. The next prime is 30211103239. The reversal of 30211103233 is 33230111203.

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 19545997249 + 10665105984 = 139807^2 + 103272^2 .

It is a cyclic number.

It is not a de Polignac number, because 30211103233 - 29 = 30211102721 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30211103233.

It is not an unprimeable number, because it can be changed into a prime (30211103239) 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, 34885368 + ... + 34886233.

It is an arithmetic number, because the mean of its divisors is an integer number (7570218817).

Almost surely, 230211103233 is an apocalyptic number.

It is an amenable number.

30211103233 is a deficient number, since it is larger than the sum of its proper divisors (69772035).

30211103233 is an equidigital number, since it uses as much as digits as its factorization.

30211103233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69772034.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 30211103233 its reverse (33230111203), we get a palindrome (63441214436).

The spelling of 30211103233 in words is "thirty billion, two hundred eleven million, one hundred three thousand, two hundred thirty-three".

Divisors: 1 433 69771601 30211103233