Search a number
-
+
8960687961 = 34616479167
BaseRepresentation
bin10000101100001100…
…10011111101011001
3212010111010010000220
420112012103331121
5121322414003321
64041054350253
7435024406461
oct102606237531
925114103026
108960687961
113889090545
1218a0abb389
13aca597934
14610100ba1
15376a139c6
hex216193f59

8960687961 has 8 divisors (see below), whose sum is σ = 11973502464. Its totient is φ = 5960832720.

The previous prime is 8960687941. The next prime is 8960687971. The reversal of 8960687961 is 1697860698.

8960687961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 8960687961 - 211 = 8960685913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8960687895 and 8960687904.

It is not an unprimeable number, because it can be changed into a prime (8960687941) 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 7 ways as a sum of consecutive naturals, for example, 3238201 + ... + 3240966.

It is an arithmetic number, because the mean of its divisors is an integer number (1496687808).

Almost surely, 28960687961 is an apocalyptic number.

It is an amenable number.

8960687961 is a deficient number, since it is larger than the sum of its proper divisors (3012814503).

8960687961 is a wasteful number, since it uses less digits than its factorization.

8960687961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6479631.

The product of its (nonzero) digits is 7838208, while the sum is 60.

The square root of 8960687961 is about 94660.9104171305. The cubic root of 8960687961 is about 2077.0507976156.

The spelling of 8960687961 in words is "eight billion, nine hundred sixty million, six hundred eighty-seven thousand, nine hundred sixty-one".

Divisors: 1 3 461 1383 6479167 19437501 2986895987 8960687961