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1085684028970 = 2517431071388041
BaseRepresentation
bin11111100110001111100…
…11111001011000101010
310211210100012001002101111
433303013303321120222
5120241440102411340
62150431212340534
7141303155660452
oct17630763713052
93753305032344
101085684028970
11389488370082
121564b547474a
137b4c1b98cb8
143a794060d62
151d393c56aea
hexfcc7cf962a

1085684028970 has 64 divisors (see below), whose sum is σ = 2137096089216. Its totient is φ = 395491461120.

The previous prime is 1085684028937. The next prime is 1085684028973. The reversal of 1085684028970 is 798204865801.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1085684028973) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88150 + ... + 1476190.

It is an arithmetic number, because the mean of its divisors is an integer number (33392126394).

Almost surely, 21085684028970 is an apocalyptic number.

1085684028970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1085684028970 is a deficient number, since it is larger than the sum of its proper divisors (1051412060246).

1085684028970 is a wasteful number, since it uses less digits than its factorization.

1085684028970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388215.

The product of its (nonzero) digits is 7741440, while the sum is 58.

The spelling of 1085684028970 in words is "one trillion, eighty-five billion, six hundred eighty-four million, twenty-eight thousand, nine hundred seventy".

Divisors: 1 2 5 10 17 34 43 85 86 107 170 214 215 430 535 731 1070 1462 1819 3638 3655 4601 7310 9095 9202 18190 23005 46010 78217 156434 391085 782170 1388041 2776082 6940205 13880410 23596697 47193394 59685763 117983485 119371526 148520387 235966970 297040774 298428815 596857630 742601935 1014657971 1485203870 2029315942 2524846579 5049693158 5073289855 6386376641 10146579710 12624232895 12772753282 25248465790 31931883205 63863766410 108568402897 217136805794 542842014485 1085684028970