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8973986146 = 2172331132793
BaseRepresentation
bin10000101101110010…
…00010100101100010
3212011102010201201021
420112321002211202
5121334320024041
64042251400054
7435245423626
oct102671024542
925142121637
108973986146
113895643684
1218a545302a
13b00272798
14611ba3186
15377c8dcd1
hex216e42962

8973986146 has 16 divisors (see below), whose sum is σ = 14313984984. Its totient is φ = 4204923904.

The previous prime is 8973986123. The next prime is 8973986167. The reversal of 8973986146 is 6416893798.

8973986146 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8577538225 + 396447921 = 92615^2 + 19911^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 558475 + ... + 574318.

Almost surely, 28973986146 is an apocalyptic number.

8973986146 is a deficient number, since it is larger than the sum of its proper divisors (5339998838).

8973986146 is a wasteful number, since it uses less digits than its factorization.

8973986146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133045.

The product of its digits is 15676416, while the sum is 61.

The square root of 8973986146 is about 94731.1255396029. The cubic root of 8973986146 is about 2078.0777780367.

The spelling of 8973986146 in words is "eight billion, nine hundred seventy-three million, nine hundred eighty-six thousand, one hundred forty-six".

Divisors: 1 2 17 34 233 466 3961 7922 1132793 2265586 19257481 38514962 263940769 527881538 4486993073 8973986146