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113322033221 = 521217508701
BaseRepresentation
bin110100110001010000…
…1010000000001000101
3101211111121101202020112
41221202201100001011
53324040420030341
6124020500242405
711121140250335
oct1514241200105
9354447352215
10113322033221
1144072373911
1219b673a0405
13a8bc824c37
1456b04970c5
152e33a9daeb
hex1a62850045

113322033221 has 4 divisors (see below), whose sum is σ = 113539542444. Its totient is φ = 113104524000.

The previous prime is 113322033211. The next prime is 113322033233. The reversal of 113322033221 is 122330223311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 122330223311 = 139880073549.

It can be written as a sum of positive squares in 2 ways, for example, as 39207960100 + 74114073121 = 198010^2 + 272239^2 .

It is a cyclic number.

It is not a de Polignac number, because 113322033221 - 218 = 113321771077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113322033211) 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, 108753830 + ... + 108754871.

It is an arithmetic number, because the mean of its divisors is an integer number (28384885611).

Almost surely, 2113322033221 is an apocalyptic number.

It is an amenable number.

113322033221 is a deficient number, since it is larger than the sum of its proper divisors (217509223).

113322033221 is an equidigital number, since it uses as much as digits as its factorization.

113322033221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217509222.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 113322033221 its reverse (122330223311), we get a palindrome (235652256532).

The spelling of 113322033221 in words is "one hundred thirteen billion, three hundred twenty-two million, thirty-three thousand, two hundred twenty-one".

Divisors: 1 521 217508701 113322033221