Search a number
-
+
6100388781 = 315217133631
BaseRepresentation
bin1011010111001110…
…01000101110101101
3120202010221212012020
411223213020232231
544443144420111
62445200300353
7304113310014
oct55347105655
916663855166
106100388781
112650568423
1212230116b9
13762b17506
1441c2a1a7b
1525a867906
hex16b9c8bad

6100388781 has 8 divisors (see below), whose sum is σ = 8134447104. Its totient is φ = 4066628160.

The previous prime is 6100388779. The next prime is 6100388797. The reversal of 6100388781 is 1878830016.

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

It is not a de Polignac number, because 6100388781 - 21 = 6100388779 is a prime.

It is a super-2 number, since 2×61003887812 = 74429486558701331922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6100384781) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 21165 + ... + 112466.

It is an arithmetic number, because the mean of its divisors is an integer number (1016805888).

Almost surely, 26100388781 is an apocalyptic number.

It is an amenable number.

6100388781 is a deficient number, since it is larger than the sum of its proper divisors (2034058323).

6100388781 is a wasteful number, since it uses less digits than its factorization.

6100388781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148851.

The product of its (nonzero) digits is 64512, while the sum is 42.

The square root of 6100388781 is about 78104.9856347212. The cubic root of 6100388781 is about 1827.1989538064.

The spelling of 6100388781 in words is "six billion, one hundred million, three hundred eighty-eight thousand, seven hundred eighty-one".

Divisors: 1 3 15217 45651 133631 400893 2033462927 6100388781