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8972446668 = 2231367546967
BaseRepresentation
bin10000101101100110…
…01010101111001100
3212011022020111221120
420112303022233030
5121333421243133
64042154400540
7435226352433
oct102663125714
925138214846
108972446668
113894791a89
1218a4a30150
13accb53b53
146118c211a
15377a87ab3
hex216ccabcc

8972446668 has 24 divisors (see below), whose sum is σ = 20951062272. Its totient is φ = 2988622224.

The previous prime is 8972446663. The next prime is 8972446723. The reversal of 8972446668 is 8666442798.

8972446668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (8972446663) 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, 257080 + ... + 289887.

It is an arithmetic number, because the mean of its divisors is an integer number (872960928).

Almost surely, 28972446668 is an apocalyptic number.

It is an amenable number.

8972446668 is an abundant number, since it is smaller than the sum of its proper divisors (11978615604).

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

8972446668 is a wasteful number, since it uses less digits than its factorization.

8972446668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548341 (or 548339 counting only the distinct ones).

The product of its digits is 27869184, while the sum is 60.

The square root of 8972446668 is about 94722.9996780085. Note that the first 3 decimals coincide. The cubic root of 8972446668 is about 2077.9589405463.

The spelling of 8972446668 in words is "eight billion, nine hundred seventy-two million, four hundred forty-six thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 12 1367 2734 4101 5468 8202 16404 546967 1093934 1640901 2187868 3281802 6563604 747703889 1495407778 2243111667 2990815556 4486223334 8972446668