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194223744001 = 727746249143
BaseRepresentation
bin1011010011100010100…
…0110010010000000001
3200120022210020110220001
42310320220302100001
511140232234302001
6225120344520001
720014021404340
oct2647050622001
9616283213801
10194223744001
1175408270611
1231785180001
1315413702011
149586cb5b57
1550bb2d6001
hex2d38a32401

194223744001 has 4 divisors (see below), whose sum is σ = 221969993152. Its totient is φ = 166477494852.

The previous prime is 194223743993. The next prime is 194223744019. The reversal of 194223744001 is 100447322491.

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 194223744001 - 23 = 194223743993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194223744041) 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, 13873124565 + ... + 13873124578.

It is an arithmetic number, because the mean of its divisors is an integer number (55492498288).

Almost surely, 2194223744001 is an apocalyptic number.

It is an amenable number.

194223744001 is a deficient number, since it is larger than the sum of its proper divisors (27746249151).

194223744001 is an equidigital number, since it uses as much as digits as its factorization.

194223744001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27746249150.

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 194223744001 in words is "one hundred ninety-four billion, two hundred twenty-three million, seven hundred forty-four thousand, one".

Divisors: 1 7 27746249143 194223744001