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680469483954 = 231319459156197
BaseRepresentation
bin10011110011011110010…
…01000101000110110010
32102001102002101101101210
421321233021011012302
542122100141441304
61240334154340550
7100106445115341
oct11715711050662
92361362341353
10680469483954
11242649313947
12aba67a2a756
134c225121580
1424d1350db58
1512a79677c89
hex9e6f2451b2

680469483954 has 32 divisors (see below), whose sum is σ = 1542764825280. Its totient is φ = 198355476672.

The previous prime is 680469483937. The next prime is 680469483977. The reversal of 680469483954 is 459384964086.

680469483954 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229576617 + ... + 229579580.

It is an arithmetic number, because the mean of its divisors is an integer number (48211400790).

Almost surely, 2680469483954 is an apocalyptic number.

680469483954 is an abundant number, since it is smaller than the sum of its proper divisors (862295341326).

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

680469483954 is a wasteful number, since it uses less digits than its factorization.

680469483954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459156234.

The product of its (nonzero) digits is 179159040, while the sum is 66.

The spelling of 680469483954 in words is "six hundred eighty billion, four hundred sixty-nine million, four hundred eighty-three thousand, nine hundred fifty-four".

Divisors: 1 2 3 6 13 19 26 38 39 57 78 114 247 494 741 1482 459156197 918312394 1377468591 2754937182 5969030561 8723967743 11938061122 17447935486 17907091683 26171903229 35814183366 52343806458 113411580659 226823161318 340234741977 680469483954