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678328486092 = 223219991708313
BaseRepresentation
bin10011101111011111000…
…01110100100011001100
32101211212212201102110200
421313233201310203030
542103204043023332
61235341513333500
7100002416666145
oct11675741644314
92354785642420
10678328486092
1124174a823524
12ab56aa07290
134bc736aa92a
1424b8d030acc
15129a171317c
hex9def8748cc

678328486092 has 36 divisors (see below), whose sum is σ = 1804909131480. Its totient is φ = 214208995392.

The previous prime is 678328486081. The next prime is 678328486097. The reversal of 678328486092 is 290684823876.

678328486092 is a `hidden beast` number, since 67 + 8 + 3 + 2 + 8 + 486 + 0 + 92 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-4 number, since 4×6783284860924 (a number of 48 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is not an unprimeable number, because it can be changed into a prime (678328486097) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 495853473 + ... + 495854840.

Almost surely, 2678328486092 is an apocalyptic number.

It is an amenable number.

678328486092 is an abundant number, since it is smaller than the sum of its proper divisors (1126580645388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

678328486092 is a wasteful number, since it uses less digits than its factorization.

678328486092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991708342 (or 991708337 counting only the distinct ones).

The product of its (nonzero) digits is 55738368, while the sum is 63.

The spelling of 678328486092 in words is "six hundred seventy-eight billion, three hundred twenty-eight million, four hundred eighty-six thousand, ninety-two".

Divisors: 1 2 3 4 6 9 12 18 19 36 38 57 76 114 171 228 342 684 991708313 1983416626 2975124939 3966833252 5950249878 8925374817 11900499756 17850749634 18842457947 35701499268 37684915894 56527373841 75369831788 113054747682 169582121523 226109495364 339164243046 678328486092