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2861966982 = 23768142071
BaseRepresentation
bin1010101010010110…
…0010011010000110
321101110021222122010
42222211202122012
521330130420412
61151553515050
7130631214030
oct25245423206
97343258563
102861966982
111239562176
1267a572a86
13367c155b4
141d2154c50
1511b3ca33c
hexaa962686

2861966982 has 16 divisors (see below), whose sum is σ = 6541638912. Its totient is φ = 817704840.

The previous prime is 2861966969. The next prime is 2861966999. The reversal of 2861966982 is 2896691682.

It is a congruent number.

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, 34070994 + ... + 34071077.

It is an arithmetic number, because the mean of its divisors is an integer number (408852432).

Almost surely, 22861966982 is an apocalyptic number.

2861966982 is an abundant number, since it is smaller than the sum of its proper divisors (3679671930).

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

2861966982 is a wasteful number, since it uses less digits than its factorization.

2861966982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68142083.

The product of its digits is 4478976, while the sum is 57.

The square root of 2861966982 is about 53497.3549065746. The cubic root of 2861966982 is about 1419.7815874481.

The spelling of 2861966982 in words is "two billion, eight hundred sixty-one million, nine hundred sixty-six thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 7 14 21 42 68142071 136284142 204426213 408852426 476994497 953988994 1430983491 2861966982