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689543700217 = 23291033798651
BaseRepresentation
bin10100000100011000000…
…00011101111011111001
32102220211111010022222121
422002030000131323321
542244141141401332
61244434430321241
7100550351513341
oct12021400357371
92386744108877
10689543700217
11246485495929
12b177a959221
13500400884c8
1425534723d21
1512e0b114797
hexa08c01def9

689543700217 has 8 divisors (see below), whose sum is σ = 744335029440. Its totient is φ = 636819968400.

The previous prime is 689543700203. The next prime is 689543700233. The reversal of 689543700217 is 712007345986.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 689543700217 - 27 = 689543700089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (689543700247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 516898659 + ... + 516899992.

It is an arithmetic number, because the mean of its divisors is an integer number (93041878680).

It is a 1-persistent number, because it is pandigital, but 2⋅689543700217 = 1379087400434 is not.

Almost surely, 2689543700217 is an apocalyptic number.

It is an amenable number.

689543700217 is a deficient number, since it is larger than the sum of its proper divisors (54791329223).

689543700217 is a wasteful number, since it uses less digits than its factorization.

689543700217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033798703.

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 689543700217 in words is "six hundred eighty-nine billion, five hundred forty-three million, seven hundred thousand, two hundred seventeen".

Divisors: 1 23 29 667 1033798651 23777368973 29980160879 689543700217