Search a number
-
+
97126068391 = 1159149654959
BaseRepresentation
bin101101001110100101…
…0100011000010100111
3100021200212211111020021
41122131022203002213
53042403233142031
6112341420420011
710005605650102
oct1323512430247
9307625744207
1097126068391
1138211151810
12169a73a7607
13920b2982b1
1449b54b3739
1527d6c99511
hex169d2a30a7

97126068391 has 8 divisors (see below), whose sum is σ = 107751571200. Its totient is φ = 86799875640.

The previous prime is 97126068383. The next prime is 97126068427. The reversal of 97126068391 is 19386062179.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 97126068391 - 23 = 97126068383 is a prime.

It is a super-2 number, since 2×971260683912 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97126008391) 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, 74826831 + ... + 74828128.

It is an arithmetic number, because the mean of its divisors is an integer number (13468946400).

Almost surely, 297126068391 is an apocalyptic number.

97126068391 is a deficient number, since it is larger than the sum of its proper divisors (10625502809).

97126068391 is a wasteful number, since it uses less digits than its factorization.

97126068391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149655029.

The product of its (nonzero) digits is 979776, while the sum is 52.

The spelling of 97126068391 in words is "ninety-seven billion, one hundred twenty-six million, sixty-eight thousand, three hundred ninety-one".

Divisors: 1 11 59 649 149654959 1646204549 8829642581 97126068391