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20221223231006 = 274177345791977
BaseRepresentation
bin1001001100100000111101…
…10100111101111000011110
32122121010111211000000212222
410212100132310331320132
510122301031121343011
6111001300211425342
74154635522324640
oct446203664757036
978533454000788
1020221223231006
116496855390876
1223270128b5252
13b38b12546c65
144dc9d8c80890
1525100164eddb
hex12641ed3de1e

20221223231006 has 16 divisors (see below), whose sum is σ = 34673253218016. Its totient is φ = 8664163750656.

The previous prime is 20221223230937. The next prime is 20221223231009. The reversal of 20221223231006 is 60013232212202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221223231009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172837511 + ... + 172954466.

It is an arithmetic number, because the mean of its divisors is an integer number (2167078326126).

Almost surely, 220221223231006 is an apocalyptic number.

20221223231006 is a deficient number, since it is larger than the sum of its proper divisors (14452029987010).

20221223231006 is a wasteful number, since it uses less digits than its factorization.

20221223231006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345796163.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 20221223231006 its reverse (60013232212202), we get a palindrome (80234455443208).

The spelling of 20221223231006 in words is "twenty trillion, two hundred twenty-one billion, two hundred twenty-three million, two hundred thirty-one thousand, six".

Divisors: 1 2 7 14 4177 8354 29239 58478 345791977 691583954 2420543839 4841087678 1444373087929 2888746175858 10110611615503 20221223231006