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100022009990 = 25721817871433
BaseRepresentation
bin101110100100111000…
…1101100000010000110
3100120011201001120021112
41131021301230002012
53114321113304430
6113541030445022
710140432025400
oct1351161540206
9316151046245
10100022009990
11394678a9581
1217475203772
1395802479c6
144babd4db70
152906136195
hex1749c6c086

100022009990 has 96 divisors (see below), whose sum is σ = 211005666144. Its totient is φ = 34036692480.

The previous prime is 100022009987. The next prime is 100022010013. The reversal of 100022009990 is 99900220001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 69798314 + ... + 69799746.

It is an arithmetic number, because the mean of its divisors is an integer number (2197975689).

Almost surely, 2100022009990 is an apocalyptic number.

100022009990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100022009990 is an abundant number, since it is smaller than the sum of its proper divisors (110983656154).

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

100022009990 is a wasteful number, since it uses less digits than its factorization.

100022009990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2422 (or 2415 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 32.

Adding to 100022009990 its reverse (99900220001), we get a palindrome (199922229991).

The spelling of 100022009990 in words is "one hundred billion, twenty-two million, nine thousand, nine hundred ninety".

Divisors: 1 2 5 7 10 14 35 49 70 98 181 245 362 490 787 905 1267 1433 1574 1810 2534 2866 3935 5509 6335 7165 7870 8869 10031 11018 12670 14330 17738 20062 27545 38563 44345 50155 55090 70217 77126 88690 100310 140434 142447 192815 259373 284894 351085 385630 518746 702170 712235 997129 1127771 1296865 1424470 1815611 1994258 2255542 2593730 3631222 4985645 5638855 6979903 7894397 9078055 9971290 11277710 12709277 13959806 15788794 18156110 25418554 34899515 39471985 55260779 63546385 69799030 78943970 110521558 127092770 204126551 276303895 408253102 552607790 1020632755 1428885857 2041265510 2857771714 7144429285 10002200999 14288858570 20004401998 50011004995 100022009990