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2031425564 = 22772550913
BaseRepresentation
bin111100100010101…
…0001100000011100
312020120111002222212
41321011101200130
513130021104224
6533324255552
7101224555340
oct17105214034
95216432885
102031425564
11952761103
124883a15b8
13264b2b17c
14153b19620
15bd51dd0e
hex7915181c

2031425564 has 12 divisors (see below), whose sum is σ = 4062851184. Its totient is φ = 870610944.

The previous prime is 2031425551. The next prime is 2031425569. The reversal of 2031425564 is 4655241302.

2031425564 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 2031425564.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031425569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36275429 + ... + 36275484.

It is an arithmetic number, because the mean of its divisors is an integer number (338570932).

Almost surely, 22031425564 is an apocalyptic number.

It is an amenable number.

2031425564 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.

2031425564 is a wasteful number, since it uses less digits than its factorization.

2031425564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72550924 (or 72550922 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 2031425564 is about 45071.3386089209. The cubic root of 2031425564 is about 1266.4857407636.

Adding to 2031425564 its reverse (4655241302), we get a palindrome (6686666866).

The spelling of 2031425564 in words is "two billion, thirty-one million, four hundred twenty-five thousand, five hundred sixty-four".

Divisors: 1 2 4 7 14 28 72550913 145101826 290203652 507856391 1015712782 2031425564