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689351786414 = 22334831306209
BaseRepresentation
bin10100000100000001001…
…00010111111110101110
32102220100010000002201222
422002000210113332232
542243243024131124
61244403413103342
7100542531335024
oct12020044277656
92386303002658
10689351786414
11246397126185
12b1726627b52
135000c3a2945
1425517048714
1512de935625e
hexa080917fae

689351786414 has 16 divisors (see below), whose sum is σ = 1038683917440. Its totient is φ = 343124436480.

The previous prime is 689351786407. The next prime is 689351786429. The reversal of 689351786414 is 414687153986.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2098142 + ... + 2404350.

It is an arithmetic number, because the mean of its divisors is an integer number (64917744840).

Almost surely, 2689351786414 is an apocalyptic number.

689351786414 is a deficient number, since it is larger than the sum of its proper divisors (349332131026).

689351786414 is a wasteful number, since it uses less digits than its factorization.

689351786414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311275.

The product of its digits is 34836480, while the sum is 62.

The spelling of 689351786414 in words is "six hundred eighty-nine billion, three hundred fifty-one million, seven hundred eighty-six thousand, four hundred fourteen".

Divisors: 1 2 233 466 4831 9662 306209 612418 1125623 2251246 71346697 142693394 1479295679 2958591358 344675893207 689351786414