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688874061233 = 9111631946337
BaseRepresentation
bin10100000011001000001…
…01111111110110110001
32102212002211002010222202
422001210011333312301
542241303224424413
61244244145512545
7100524640623161
oct12014405776661
92385084063882
10688874061233
112461714a3186
12b1612642755
134cc64419517
14254ad8105a1
1512dbc43ce58
hexa06417fdb1

688874061233 has 8 divisors (see below), whose sum is σ = 689687377920. Its totient is φ = 688060871680.

The previous prime is 688874061137. The next prime is 688874061247. The reversal of 688874061233 is 332160478886.

688874061233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-688874061233 is a prime.

It is a super-3 number, since 3×6888740612333 (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (688874061263) 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, 14843441 + ... + 14889777.

It is an arithmetic number, because the mean of its divisors is an integer number (86210922240).

Almost surely, 2688874061233 is an apocalyptic number.

It is an amenable number.

688874061233 is a deficient number, since it is larger than the sum of its proper divisors (813316687).

688874061233 is a wasteful number, since it uses less digits than its factorization.

688874061233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63567.

The product of its (nonzero) digits is 9289728, while the sum is 56.

The spelling of 688874061233 in words is "six hundred eighty-eight billion, eight hundred seventy-four million, sixty-one thousand, two hundred thirty-three".

Divisors: 1 911 16319 46337 14866609 42213007 756173503 688874061233