Search a number
-
+
97027641257 = 2928111906693
BaseRepresentation
bin101101001011101001…
…1000100111110101001
3100021110000121212120212
41122113103010332221
53042203034010012
6112323543030505
710003302225401
oct1322723047651
9307400555525
1097027641257
1138170634a78
121697a43b435
1391c3a856a1
1449a63b1801
1527cd305b22
hex16974c4fa9

97027641257 has 8 divisors (see below), whose sum is σ = 100730631240. Its totient is φ = 93348465280.

The previous prime is 97027641247. The next prime is 97027641307. The reversal of 97027641257 is 75214672079.

It can be written as a sum of positive squares in 4 ways, for example, as 3115425856 + 93912215401 = 55816^2 + 306451^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-97027641257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97027641247) 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, 5945198 + ... + 5961495.

It is an arithmetic number, because the mean of its divisors is an integer number (12591328905).

Almost surely, 297027641257 is an apocalyptic number.

It is an amenable number.

97027641257 is a deficient number, since it is larger than the sum of its proper divisors (3702989983).

97027641257 is a wasteful number, since it uses less digits than its factorization.

97027641257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11907003.

The product of its (nonzero) digits is 1481760, while the sum is 50.

The spelling of 97027641257 in words is "ninety-seven billion, twenty-seven million, six hundred forty-one thousand, two hundred fifty-seven".

Divisors: 1 29 281 8149 11906693 345294097 3345780733 97027641257