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285923840106 = 231721411309283
BaseRepresentation
bin1000010100100100110…
…00111001000001101010
31000100000112011000102210
410022102120321001222
514141033000340411
6335203540105550
726441313353322
oct4122230710152
91010015130383
10285923840106
11100294610003
12474b73952b6
1320c68805508
14dba58c2282
157686a34ca6
hex429263906a

285923840106 has 32 divisors (see below), whose sum is σ = 605769046848. Its totient is φ = 89659631360.

The previous prime is 285923840099. The next prime is 285923840119. The reversal of 285923840106 is 601048329582.

It is a super-2 number, since 2×2859238401062 (a number of 24 digits) contains 22 as substring.

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, 436260 + ... + 873023.

It is an arithmetic number, because the mean of its divisors is an integer number (18930282714).

Almost surely, 2285923840106 is an apocalyptic number.

285923840106 is an abundant number, since it is smaller than the sum of its proper divisors (319845206742).

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

285923840106 is a wasteful number, since it uses less digits than its factorization.

285923840106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311446.

The product of its (nonzero) digits is 829440, while the sum is 48.

It can be divided in two parts, 2859 and 23840106, that added together give a triangular number (23842965 = T6905).

The spelling of 285923840106 in words is "two hundred eighty-five billion, nine hundred twenty-three million, eight hundred forty thousand, one hundred six".

Divisors: 1 2 3 6 17 34 51 102 2141 4282 6423 12846 36397 72794 109191 218382 1309283 2618566 3927849 7855698 22257811 44515622 66773433 133546866 2803174903 5606349806 8409524709 16819049418 47653973351 95307946702 142961920053 285923840106