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689292603091 = 31432392163593
BaseRepresentation
bin10100000011111010000…
…10100110111011010011
32102220011222122021111001
422001331002212323103
542243132401244331
61244353500402431
7100541212311631
oct12017502467323
92386158567431
10689292603091
11246366782944
12b170a846417
1350000050621
142550d240351
1512de4065561
hexa07d0a6ed3

689292603091 has 16 divisors (see below), whose sum is σ = 731121684480. Its totient is φ = 648817968960.

The previous prime is 689292603073. The next prime is 689292603119. The reversal of 689292603091 is 190306292986.

It is a happy number.

689292603091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 689292603091 - 213 = 689292594899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (689292603011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 763210 + ... + 1400383.

It is an arithmetic number, because the mean of its divisors is an integer number (45695105280).

Almost surely, 2689292603091 is an apocalyptic number.

689292603091 is a deficient number, since it is larger than the sum of its proper divisors (41829081389).

689292603091 is a wasteful number, since it uses less digits than its factorization.

689292603091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163906.

The product of its (nonzero) digits is 2519424, while the sum is 55.

The spelling of 689292603091 in words is "six hundred eighty-nine billion, two hundred ninety-two million, six hundred three thousand, ninety-one".

Divisors: 1 31 43 239 1333 7409 10277 318587 2163593 67071383 93034499 517098727 2884069469 16030060537 22235245261 689292603091