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130221200033 = 166378304991
BaseRepresentation
bin111100101000111001…
…0011101001010100001
3110110010100011101000122
41321101302131022201
54113143111400113
6135453420130025
712260000636261
oct1712162351241
9413110141018
10130221200033
1150254521a81
12212a2996915
13c383972522
146434a097a1
1535c24a9408
hex1e51c9d2a1

130221200033 has 4 divisors (see below), whose sum is σ = 130299506688. Its totient is φ = 130142893380.

The previous prime is 130221200029. The next prime is 130221200051. The reversal of 130221200033 is 330002122031.

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, and also an emirpimes, since its reverse is a distinct semiprime: 330002122031 = 1753188249927.

It is a cyclic number.

It is not a de Polignac number, because 130221200033 - 22 = 130221200029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130221199984 and 130221200020.

It is not an unprimeable number, because it can be changed into a prime (130221200023) 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, 39150833 + ... + 39154158.

It is an arithmetic number, because the mean of its divisors is an integer number (32574876672).

Almost surely, 2130221200033 is an apocalyptic number.

It is an amenable number.

130221200033 is a deficient number, since it is larger than the sum of its proper divisors (78306655).

130221200033 is an equidigital number, since it uses as much as digits as its factorization.

130221200033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78306654.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 130221200033 its reverse (330002122031), we get a palindrome (460223322064).

The spelling of 130221200033 in words is "one hundred thirty billion, two hundred twenty-one million, two hundred thousand, thirty-three".

Divisors: 1 1663 78304991 130221200033