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8958934681 = 67133715443
BaseRepresentation
bin10000101011111111…
…00111111010011001
3212010100211000222121
420111333213322121
5121321441402211
64040553021241
7435003455044
oct102577477231
925110730877
108958934681
1138880a3254
1218a03b4821
13aca1028a8
1460dba5c5b
153767b9271
hex215fe7e99

8958934681 has 4 divisors (see below), whose sum is σ = 9092650192. Its totient is φ = 8825219172.

The previous prime is 8958934667. The next prime is 8958934687. The reversal of 8958934681 is 1864398598.

8958934681 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8958934681 is a prime.

It is a super-2 number, since 2×89589346812 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8958934687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66857655 + ... + 66857788.

It is an arithmetic number, because the mean of its divisors is an integer number (2273162548).

Almost surely, 28958934681 is an apocalyptic number.

It is an amenable number.

8958934681 is a deficient number, since it is larger than the sum of its proper divisors (133715511).

8958934681 is a wasteful number, since it uses less digits than its factorization.

8958934681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133715510.

The product of its digits is 14929920, while the sum is 61.

The square root of 8958934681 is about 94651.6491192837. The cubic root of 8958934681 is about 2076.9153210697.

The spelling of 8958934681 in words is "eight billion, nine hundred fifty-eight million, nine hundred thirty-four thousand, six hundred eighty-one".

Divisors: 1 67 133715443 8958934681