Search a number
-
+
6130139838 = 231021689973
BaseRepresentation
bin1011011010110001…
…01000001010111110
3120211012221100222020
411231120220022332
5100023303433323
62452142101010
7304624220544
oct55530501276
916735840866
106130139838
112666338879
121230b7a766
137690330a4
14422207d94
1525d292ae3
hex16d6282be

6130139838 has 8 divisors (see below), whose sum is σ = 12260279688. Its totient is φ = 2043379944.

The previous prime is 6130139831. The next prime is 6130139849. The reversal of 6130139838 is 8389310316.

It is a sphenic number, since it is the product of 3 distinct primes.

6130139838 is an admirable number.

It is a super-2 number, since 2×61301398382 = 75157228866869332488, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6130139838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6130139831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510844981 + ... + 510844992.

It is an arithmetic number, because the mean of its divisors is an integer number (1532534961).

Almost surely, 26130139838 is an apocalyptic number.

6130139838 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6130139838 is a wasteful number, since it uses less digits than its factorization.

6130139838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021689978.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 6130139838 is about 78295.2095469448. The cubic root of 6130139838 is about 1830.1645007250.

The spelling of 6130139838 in words is "six billion, one hundred thirty million, one hundred thirty-nine thousand, eight hundred thirty-eight".

Divisors: 1 2 3 6 1021689973 2043379946 3065069919 6130139838