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82982648351220 = 223511852911668403
BaseRepresentation
bin10010110111100011100111…
…010001110000100111110100
3101212211001201102221012201120
4102313203213101300213310
541334041430434214340
6452253411414023540
723323204245601212
oct2267434721604764
9355731642835646
1082982648351220
112449381a706312
129382715047bb0
13373c2cb889207
14166c54b1d1cb2
1598d880b934d0
hex4b78e74709f4

82982648351220 has 48 divisors (see below), whose sum is σ = 232353395588160. Its totient is φ = 22128517636096.

The previous prime is 82982648351191. The next prime is 82982648351263. The reversal of 82982648351220 is 2215384628928.

It is a happy number.

It is a super-2 number, since 2×829826483512202 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent 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, 1277539 + ... + 12945941.

It is an arithmetic number, because the mean of its divisors is an integer number (4840695741420).

Almost surely, 282982648351220 is an apocalyptic number.

It is an amenable number.

82982648351220 is an abundant number, since it is smaller than the sum of its proper divisors (149370747236940).

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

82982648351220 is a wasteful number, since it uses less digits than its factorization.

82982648351220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11786944 (or 11786942 counting only the distinct ones).

The product of its (nonzero) digits is 26542080, while the sum is 60.

The spelling of 82982648351220 in words is "eighty-two trillion, nine hundred eighty-two billion, six hundred forty-eight million, three hundred fifty-one thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 118529 237058 355587 474116 592645 711174 1185290 1422348 1777935 2370580 3555870 7111740 11668403 23336806 35005209 46673612 58342015 70010418 116684030 140020836 175026045 233368060 350052090 700104180 1383044139187 2766088278374 4149132417561 5532176556748 6915220695935 8298264835122 13830441391870 16596529670244 20745662087805 27660882783740 41491324175610 82982648351220