Search a number
-
+
6761421163 = 72137988187
BaseRepresentation
bin1100100110000001…
…10001100101101011
3122110012210210011001
412103000301211223
5102321410434123
63034532415431
7326361063100
oct62300614553
918405723131
106761421163
11295a711882
121388477577
13839a61c33
14481db4aa7
152988de0ad
hex19303196b

6761421163 has 6 divisors (see below), whose sum is σ = 7865326716. Its totient is φ = 5795503812.

The previous prime is 6761421131. The next prime is 6761421193. The reversal of 6761421163 is 3611241676.

It is not a de Polignac number, because 6761421163 - 25 = 6761421131 is a prime.

It is a super-2 number, since 2×67614211632 = 91433632286928545138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6761421193) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68994045 + ... + 68994142.

It is an arithmetic number, because the mean of its divisors is an integer number (1310887786).

Almost surely, 26761421163 is an apocalyptic number.

6761421163 is a deficient number, since it is larger than the sum of its proper divisors (1103905553).

6761421163 is a wasteful number, since it uses less digits than its factorization.

6761421163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137988201 (or 137988194 counting only the distinct ones).

The product of its digits is 36288, while the sum is 37.

The square root of 6761421163 is about 82227.8612332827. The cubic root of 6761421163 is about 1890.9468826465.

The spelling of 6761421163 in words is "six billion, seven hundred sixty-one million, four hundred twenty-one thousand, one hundred sixty-three".

Divisors: 1 7 49 137988187 965917309 6761421163