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690570804829 = 6877110041599
BaseRepresentation
bin10100000110010010011…
…10100011111001011101
32110000111001210122122011
422003021032203321131
542303242111223304
61245124400551221
7100614662663413
oct12031116437135
92400431718564
10690570804829
11246962241814
12b1a06922511
1350174ac5809
14255d0cc92b3
1512e6b39bc04
hexa0c93a3e5d

690570804829 has 4 divisors (see below), whose sum is σ = 690580915200. Its totient is φ = 690560694460.

The previous prime is 690570804811. The next prime is 690570804853. The reversal of 690570804829 is 928408075096.

690570804829 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 690570804829 - 213 = 690570796637 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690570804899) 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, 4952029 + ... + 5089570.

It is an arithmetic number, because the mean of its divisors is an integer number (172645228800).

Almost surely, 2690570804829 is an apocalyptic number.

It is an amenable number.

690570804829 is a deficient number, since it is larger than the sum of its proper divisors (10110371).

690570804829 is a wasteful number, since it uses less digits than its factorization.

690570804829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10110370.

The product of its (nonzero) digits is 8709120, while the sum is 58.

The spelling of 690570804829 in words is "six hundred ninety billion, five hundred seventy million, eight hundred four thousand, eight hundred twenty-nine".

Divisors: 1 68771 10041599 690570804829