Search a number
-
+
97045356769 = 128975287321
BaseRepresentation
bin101101001100001011…
…0101010000011100001
3100021111020221220200221
41122120112222003201
53042222102404034
6112325414443041
710003605631204
oct1323026520341
9307436856627
1097045356769
113817a634999
1216984363481
1391c764903a
1449a88a393b
1527ceb54bb4
hex16985aa0e1

97045356769 has 4 divisors (see below), whose sum is σ = 97120645380. Its totient is φ = 96970068160.

The previous prime is 97045356767. The next prime is 97045356847. The reversal of 97045356769 is 96765354079.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 68794470369 + 28250886400 = 262287^2 + 168080^2 .

It is a cyclic number.

It is not a de Polignac number, because 97045356769 - 21 = 97045356767 is a prime.

It is a super-2 number, since 2×970453567692 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97045356767) 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, 37642372 + ... + 37644949.

It is an arithmetic number, because the mean of its divisors is an integer number (24280161345).

Almost surely, 297045356769 is an apocalyptic number.

It is an amenable number.

97045356769 is a deficient number, since it is larger than the sum of its proper divisors (75288611).

97045356769 is a wasteful number, since it uses less digits than its factorization.

97045356769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75288610.

The product of its (nonzero) digits is 42865200, while the sum is 61.

The spelling of 97045356769 in words is "ninety-seven billion, forty-five million, three hundred fifty-six thousand, seven hundred sixty-nine".

Divisors: 1 1289 75287321 97045356769