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194904470937601 = 405148112681051
BaseRepresentation
bin101100010100001110111011…
…110000010110000000000001
3221120002200111200201202022001
4230110032323300112000001
5201021303324030000401
61530305513341344001
756024245325032345
oct5424167360260001
9846080450652261
10194904470937601
1157114581771347
1219a39960b68001
13849a549a576b9
14361b5d8d1d625
15177eda4dd0601
hexb143bbc16001

194904470937601 has 4 divisors (see below), whose sum is σ = 194952583622704. Its totient is φ = 194856358252500.

The previous prime is 194904470937581. The next prime is 194904470937607. The reversal of 194904470937601 is 106739074409491.

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 194904470937601 - 29 = 194904470937089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194904470937607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24056336475 + ... + 24056344576.

It is an arithmetic number, because the mean of its divisors is an integer number (48738145905676).

Almost surely, 2194904470937601 is an apocalyptic number.

It is an amenable number.

194904470937601 is a deficient number, since it is larger than the sum of its proper divisors (48112685103).

194904470937601 is an equidigital number, since it uses as much as digits as its factorization.

194904470937601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48112685102.

The product of its (nonzero) digits is 41150592, while the sum is 64.

The spelling of 194904470937601 in words is "one hundred ninety-four trillion, nine hundred four billion, four hundred seventy million, nine hundred thirty-seven thousand, six hundred one".

Divisors: 1 4051 48112681051 194904470937601