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7064288641 = 24129312401
BaseRepresentation
bin1101001010001000…
…00111110110000001
3200020022201001020001
412211010013312001
5103431424214031
63124552120001
7340026314464
oct64504076601
920208631201
107064288641
112aa5674683
121451996001
13887724c67
144b02d32db
152b52b7861
hex1a5107d81

7064288641 has 4 divisors (see below), whose sum is σ = 7093601284. Its totient is φ = 7034976000.

The previous prime is 7064288533. The next prime is 7064288653. The reversal of 7064288641 is 1468824607.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1468824607 = 2715420017.

It can be written as a sum of positive squares in 2 ways, for example, as 5517518400 + 1546770241 = 74280^2 + 39329^2 .

It is a cyclic number.

It is not a de Polignac number, because 7064288641 - 29 = 7064288129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7064288591 and 7064288600.

It is not an unprimeable number, because it can be changed into a prime (7064288041) 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, 14655960 + ... + 14656441.

It is an arithmetic number, because the mean of its divisors is an integer number (1773400321).

Almost surely, 27064288641 is an apocalyptic number.

It is an amenable number.

7064288641 is a deficient number, since it is larger than the sum of its proper divisors (29312643).

7064288641 is a wasteful number, since it uses less digits than its factorization.

7064288641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29312642.

The product of its (nonzero) digits is 516096, while the sum is 46.

The square root of 7064288641 is about 84049.3226683000. The cubic root of 7064288641 is about 1918.7695241804.

The spelling of 7064288641 in words is "seven billion, sixty-four million, two hundred eighty-eight thousand, six hundred forty-one".

Divisors: 1 241 29312401 7064288641