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10045571440 = 245125569643
BaseRepresentation
bin10010101101100001…
…10100000101110000
3221221002111220101111
421112300310011300
5131033131241230
64340451243104
7503636643202
oct112660640560
927832456344
1010045571440
114295510563
121b442a9494
13c41284c18
146b4226772
153dbdb092a
hex256c34170

10045571440 has 20 divisors (see below), whose sum is σ = 23355953784. Its totient is φ = 4018228544.

The previous prime is 10045571401. The next prime is 10045571441. The reversal of 10045571440 is 4417554001.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×100455714402 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10045571441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62784742 + ... + 62784901.

Almost surely, 210045571440 is an apocalyptic number.

10045571440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10045571440 is an abundant number, since it is smaller than the sum of its proper divisors (13310382344).

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

10045571440 is a wasteful number, since it uses less digits than its factorization.

10045571440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125569656 (or 125569650 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 31.

The spelling of 10045571440 in words is "ten billion, forty-five million, five hundred seventy-one thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 125569643 251139286 502278572 627848215 1004557144 1255696430 2009114288 2511392860 5022785720 10045571440