Search a number
-
+
99808665241 = 3715531736981
BaseRepresentation
bin101110011110100001…
…1110101111010011001
3100112121211121112022011
41130331003311322121
53113402004241431
6113503530025521
710132231441135
oct1347503657231
9315554545264
1099808665241
11393684314aa
12174158782a1
139547c9a5cc
144b8b8963c5
1528e2542cb1
hex173d0f5e99

99808665241 has 8 divisors (see below), whose sum is σ = 102572261064. Its totient is φ = 97048546560.

The previous prime is 99808665233. The next prime is 99808665283. The reversal of 99808665241 is 14256680899.

It can be written as a sum of positive squares in 4 ways, for example, as 2342947216 + 97465718025 = 48404^2 + 312195^2 .

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 99808665241 - 23 = 99808665233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99808665041) 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, 811030 + ... + 925951.

It is an arithmetic number, because the mean of its divisors is an integer number (12821532633).

Almost surely, 299808665241 is an apocalyptic number.

It is an amenable number.

99808665241 is a deficient number, since it is larger than the sum of its proper divisors (2763595823).

99808665241 is a wasteful number, since it uses less digits than its factorization.

99808665241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738571.

The product of its (nonzero) digits is 7464960, while the sum is 58.

The spelling of 99808665241 in words is "ninety-nine billion, eight hundred eight million, six hundred sixty-five thousand, two hundred forty-one".

Divisors: 1 37 1553 57461 1736981 64268297 2697531493 99808665241