Search a number
-
+
6129869238 = 234149253951
BaseRepresentation
bin1011011010101111…
…00110000110110110
3120211012102121210000
411231113212012312
5100023221303423
62452132212130
7304622012613
oct55527460666
916735377700
106129869238
112666173539
121230a6a046
13768c69b7c
1442217750a
1525d23c843
hex16d5e61b6

6129869238 has 40 divisors (see below), whose sum is σ = 13827686400. Its totient is φ = 2029568400.

The previous prime is 6129869209. The next prime is 6129869293. The reversal of 6129869238 is 8329689216.

6129869238 is a `hidden beast` number, since 61 + 298 + 69 + 238 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 102838 + ... + 151113.

It is an arithmetic number, because the mean of its divisors is an integer number (345692160).

Almost surely, 26129869238 is an apocalyptic number.

6129869238 is an abundant number, since it is smaller than the sum of its proper divisors (7697817162).

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

6129869238 is a wasteful number, since it uses less digits than its factorization.

6129869238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254114 (or 254105 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 6129869238 is about 78293.4814528004. The cubic root of 6129869238 is about 1830.1375709531.

The spelling of 6129869238 in words is "six billion, one hundred twenty-nine million, eight hundred sixty-nine thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 9 18 27 54 81 149 162 298 447 894 1341 2682 4023 8046 12069 24138 253951 507902 761853 1523706 2285559 4571118 6856677 13713354 20570031 37838699 41140062 75677398 113516097 227032194 340548291 681096582 1021644873 2043289746 3064934619 6129869238