Search a number
-
+
97975680807 = 32313910215377
BaseRepresentation
bin101101100111111001…
…1100011111100100111
3100100220002112021100210
41123033303203330213
53101123233241212
6113002010510503
710035633355164
oct1331763437447
9310802467323
1097975680807
1138607799134
1216ba3a35433
1393152cc034
144a5627506b
15283667153c
hex16cfce3f27

97975680807 has 16 divisors (see below), whose sum is σ = 137294680320. Its totient is φ = 62027763072.

The previous prime is 97975680767. The next prime is 97975680809. The reversal of 97975680807 is 70808657979.

It is not a de Polignac number, because 97975680807 - 215 = 97975648039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97975680809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5098098 + ... + 5117279.

It is an arithmetic number, because the mean of its divisors is an integer number (8580917520).

Almost surely, 297975680807 is an apocalyptic number.

97975680807 is a deficient number, since it is larger than the sum of its proper divisors (39318999513).

97975680807 is a wasteful number, since it uses less digits than its factorization.

97975680807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10215542.

The product of its (nonzero) digits is 53343360, while the sum is 66.

The spelling of 97975680807 in words is "ninety-seven billion, nine hundred seventy-five million, six hundred eighty thousand, eight hundred seven".

Divisors: 1 3 23 69 139 417 3197 9591 10215377 30646131 234953671 704861013 1419937403 4259812209 32658560269 97975680807