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2140044004 = 22776430143
BaseRepresentation
bin111111110001110…
…0111101011100100
312112010212111111001
41333203213223210
513340322402004
6552204323044
7104014034230
oct17743475344
95463774431
102140044004
119a8aa980a
124b8843484
1328149b737
141643115c0
15c7d271a4
hex7f8e7ae4

2140044004 has 12 divisors (see below), whose sum is σ = 4280088064. Its totient is φ = 917161704.

The previous prime is 2140043989. The next prime is 2140044037. The reversal of 2140044004 is 4004400412.

2140044004 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38215044 + ... + 38215099.

Almost surely, 22140044004 is an apocalyptic number.

It is an amenable number.

2140044004 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2140044004 is a wasteful number, since it uses less digits than its factorization.

2140044004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76430154 (or 76430152 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 2140044004 is about 46260.6096371416. The cubic root of 2140044004 is about 1288.6675752135.

Adding to 2140044004 its reverse (4004400412), we get a palindrome (6144444416).

The spelling of 2140044004 in words is "two billion, one hundred forty million, forty-four thousand, four".

Divisors: 1 2 4 7 14 28 76430143 152860286 305720572 535011001 1070022002 2140044004