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20313115423233 = 36771038474411
BaseRepresentation
bin1001001111001100001000…
…00001110111001000000001
32122220220200221101001202220
410213212010001313020001
510130302230022020413
6111111414424201253
74164400636141623
oct447460401671001
978826627331686
1020313115423233
116521820104996
122340999309229
13b44698397cb9
145032351b2c13
152535cdb96223
hex127984077201

20313115423233 has 4 divisors (see below), whose sum is σ = 27084153897648. Its totient is φ = 13542076948820.

The previous prime is 20313115423213. The next prime is 20313115423247. The reversal of 20313115423233 is 33232451131302.

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.

It is a cyclic number.

It is not a de Polignac number, because 20313115423233 - 26 = 20313115423169 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20313115423194 and 20313115423203.

It is not an unprimeable number, because it can be changed into a prime (20313115423213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3385519237203 + ... + 3385519237208.

It is an arithmetic number, because the mean of its divisors is an integer number (6771038474412).

Almost surely, 220313115423233 is an apocalyptic number.

It is an amenable number.

20313115423233 is a deficient number, since it is larger than the sum of its proper divisors (6771038474415).

20313115423233 is an equidigital number, since it uses as much as digits as its factorization.

20313115423233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6771038474414.

The product of its (nonzero) digits is 38880, while the sum is 33.

Adding to 20313115423233 its reverse (33232451131302), we get a palindrome (53545566554535).

The spelling of 20313115423233 in words is "twenty trillion, three hundred thirteen billion, one hundred fifteen million, four hundred twenty-three thousand, two hundred thirty-three".

Divisors: 1 3 6771038474411 20313115423233