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42678298390 = 2571323607633
BaseRepresentation
bin100111101111110100…
…110010011100010110
311002011022202012012011
4213233310302130112
51144401121022030
631334532014434
73040415356630
oct475764623426
9132138665164
1042678298390
1117110872292
128330a6141a
134041c0b200
1420cc191a50
15119bbd1b2a
hex9efd32716

42678298390 has 48 divisors (see below), whose sum is σ = 95068371168. Its totient is φ = 13506974208.

The previous prime is 42678298373. The next prime is 42678298433. The reversal of 42678298390 is 9389287624.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1791987 + ... + 1815646.

It is an arithmetic number, because the mean of its divisors is an integer number (1980591066).

Almost surely, 242678298390 is an apocalyptic number.

42678298390 is an abundant number, since it is smaller than the sum of its proper divisors (52390072778).

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

42678298390 is a wasteful number, since it uses less digits than its factorization.

42678298390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3607673 (or 3607660 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 58.

The spelling of 42678298390 in words is "forty-two billion, six hundred seventy-eight million, two hundred ninety-eight thousand, three hundred ninety".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 169 182 338 455 845 910 1183 1690 2366 5915 11830 3607633 7215266 18038165 25253431 36076330 46899229 50506862 93798458 126267155 234496145 252534310 328294603 468992290 609689977 656589206 1219379954 1641473015 3048449885 3282946030 4267829839 6096899770 8535659678 21339149195 42678298390