Search a number
-
+
231299528094 = 23212919994657
BaseRepresentation
bin1101011101101010000…
…1101011010110011110
3211010000122212110021200
43113122201223112132
512242200134344334
6254131343340330
722465550356335
oct3273241532636
9733018773250
10231299528094
118a10360a998
12389b18b16a6
1318a719b54bb
14b2a2d66d1c
15603b1e8799
hex35da86b59e

231299528094 has 24 divisors (see below), whose sum is σ = 501188273040. Its totient is φ = 77093797248.

The previous prime is 231299528093. The next prime is 231299528101. The reversal of 231299528094 is 490825992132.

231299528094 is a `hidden beast` number, since 2 + 3 + 1 + 29 + 9 + 528 + 0 + 94 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 231299528094.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231299528093) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 264787 + ... + 729870.

It is an arithmetic number, because the mean of its divisors is an integer number (20882844710).

Almost surely, 2231299528094 is an apocalyptic number.

231299528094 is an abundant number, since it is smaller than the sum of its proper divisors (269888744946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231299528094 is a wasteful number, since it uses less digits than its factorization.

231299528094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007584 (or 1007581 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The spelling of 231299528094 in words is "two hundred thirty-one billion, two hundred ninety-nine million, five hundred twenty-eight thousand, ninety-four".

Divisors: 1 2 3 6 9 18 12919 25838 38757 77514 116271 232542 994657 1989314 2983971 5967942 8951913 17903826 12849973783 25699947566 38549921349 77099842698 115649764047 231299528094