Search a number
-
+
38670864750 = 23353717311553
BaseRepresentation
bin100100000000111101…
…101001000101101110
310200211001001110201000
4210000331221011232
51113144220133000
625433134501130
72536204632630
oct440075510556
9120731043630
1038670864750
1115444771061
1275b29647a6
1338538b60bb
141c2bc64a50
151014e8e000
hex900f6916e

38670864750 has 512 divisors, whose sum is σ = 134050775040. Its totient is φ = 8045568000.

The previous prime is 38670864737. The next prime is 38670864769. The reversal of 38670864750 is 5746807683.

38670864750 is a `hidden beast` number, since 38 + 67 + 0 + 86 + 475 + 0 = 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 polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 24899974 + ... + 24901526.

It is an arithmetic number, because the mean of its divisors is an integer number (261817920).

Almost surely, 238670864750 is an apocalyptic number.

38670864750 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 38670864750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67025387520).

38670864750 is an abundant number, since it is smaller than the sum of its proper divisors (95379910290).

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

38670864750 is a wasteful number, since it uses less digits than its factorization.

38670864750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634 (or 1618 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 38670864750 in words is "thirty-eight billion, six hundred seventy million, eight hundred sixty-four thousand, seven hundred fifty".