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7071428572 = 2213135989011
BaseRepresentation
bin1101001010111110…
…10110111111011100
3200020211010210100221
412211133112333130
5103440241203242
63125405131124
7340144102555
oct64537267734
920224123327
107071428572
112aa9700a4a
121454259aa4
13889054a80
144b123132c
152b5c28167
hex1a57d6fdc

7071428572 has 12 divisors (see below), whose sum is σ = 13326923176. Its totient is φ = 3263736240.

The previous prime is 7071428549. The next prime is 7071428633. The reversal of 7071428572 is 2758241707.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent 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, 67994454 + ... + 67994557.

Almost surely, 27071428572 is an apocalyptic number.

It is an amenable number.

7071428572 is a deficient number, since it is larger than the sum of its proper divisors (6255494604).

7071428572 is a wasteful number, since it uses less digits than its factorization.

7071428572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135989028 (or 135989026 counting only the distinct ones).

The product of its (nonzero) digits is 219520, while the sum is 43.

The square root of 7071428572 is about 84091.7865906059. The cubic root of 7071428572 is about 1919.4157449002.

The spelling of 7071428572 in words is "seven billion, seventy-one million, four hundred twenty-eight thousand, five hundred seventy-two".

Divisors: 1 2 4 13 26 52 135989011 271978022 543956044 1767857143 3535714286 7071428572