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194838725161147 is a prime number
BaseRepresentation
bin101100010011010001101101…
…000000000111000010111011
3221112212101210202110021000111
4230103101231000013002323
5201014214202120124042
61530215401421245151
756016430146121654
oct5423215500070273
9845771722407014
10194838725161147
1157099703a11401
1219a29072a037b7
13849429cac26b2
14361835d31652b
15177d308010517
hexb1346d0070bb

194838725161147 has 2 divisors, whose sum is σ = 194838725161148. Its totient is φ = 194838725161146.

The previous prime is 194838725161111. The next prime is 194838725161151. The reversal of 194838725161147 is 741161527838491.

It is a strong prime.

It is an emirp because it is prime and its reverse (741161527838491) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 194838725161147 - 27 = 194838725161019 is a prime.

It is a super-2 number, since 2×1948387251611472 (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (194838725561147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97419362580573 + 97419362580574.

It is an arithmetic number, because the mean of its divisors is an integer number (97419362580574).

Almost surely, 2194838725161147 is an apocalyptic number.

194838725161147 is a deficient number, since it is larger than the sum of its proper divisors (1).

194838725161147 is an equidigital number, since it uses as much as digits as its factorization.

194838725161147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81285120, while the sum is 67.

The spelling of 194838725161147 in words is "one hundred ninety-four trillion, eight hundred thirty-eight billion, seven hundred twenty-five million, one hundred sixty-one thousand, one hundred forty-seven".