Search a number
-
+
6468998238 = 2321273139041
BaseRepresentation
bin1100000011001010…
…10001010001011110
3121200211120011022100
412001211101101132
5101222030420423
62545525025530
7316210402113
oct60145212136
917624504270
106468998238
11281a64313a
1213065552a6
137c12b7c11
1445521490a
1527cdca343
hex18195145e

6468998238 has 48 divisors (see below), whose sum is σ = 14173226496. Its totient is φ = 2132282880.

The previous prime is 6468998231. The next prime is 6468998251. The reversal of 6468998238 is 8328998646.

6468998238 is a `hidden beast` number, since 6 + 468 + 99 + 82 + 3 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6468998231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 710998 + ... + 720038.

It is an arithmetic number, because the mean of its divisors is an integer number (295275552).

Almost surely, 26468998238 is an apocalyptic number.

6468998238 is an abundant number, since it is smaller than the sum of its proper divisors (7704228258).

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

6468998238 is a wasteful number, since it uses less digits than its factorization.

6468998238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9489 (or 9486 counting only the distinct ones).

The product of its digits is 35831808, while the sum is 63.

The square root of 6468998238 is about 80430.0829167793. The cubic root of 6468998238 is about 1863.2838122989.

The spelling of 6468998238 in words is "six billion, four hundred sixty-eight million, nine hundred ninety-eight thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 9 18 127 254 313 381 626 762 939 1143 1878 2286 2817 5634 9041 18082 27123 39751 54246 79502 81369 119253 162738 238506 357759 715518 1148207 2296414 2829833 3444621 5659666 6889242 8489499 10333863 16978998 20667726 25468497 50936994 359388791 718777582 1078166373 2156332746 3234499119 6468998238