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100212235140 = 223559106126681
BaseRepresentation
bin101110101010100011…
…1010101101110000100
3100120122222000000010110
41131111013111232010
53120213313011030
6114011543553020
710145231641563
oct1352507255604
9316588000113
10100212235140
1139555215546
1217508a5b770
1395b078ba74
144bc9309bda
152917bae1b0
hex17551d5b84

100212235140 has 96 divisors (see below), whose sum is σ = 285629742720. Its totient is φ = 26244582400.

The previous prime is 100212235127. The next prime is 100212235177. The reversal of 100212235140 is 41532212001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3742600 + ... + 3769280.

It is an arithmetic number, because the mean of its divisors is an integer number (2975309820).

Almost surely, 2100212235140 is an apocalyptic number.

100212235140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100212235140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142814871360).

100212235140 is an abundant number, since it is smaller than the sum of its proper divisors (185417507580).

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

100212235140 is a wasteful number, since it uses less digits than its factorization.

100212235140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27813 (or 27811 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 100212235140 its reverse (41532212001), we get a palindrome (141744447141).

The spelling of 100212235140 in words is "one hundred billion, two hundred twelve million, two hundred thirty-five thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 59 60 118 177 236 295 354 590 708 885 1061 1180 1770 2122 3183 3540 4244 5305 6366 10610 12732 15915 21220 26681 31830 53362 62599 63660 80043 106724 125198 133405 160086 187797 250396 266810 312995 320172 375594 400215 533620 625990 751188 800430 938985 1251980 1574179 1600860 1877970 3148358 3755940 4722537 6296716 7870895 9445074 15741790 18890148 23612685 28308541 31483580 47225370 56617082 84925623 94450740 113234164 141542705 169851246 283085410 339702492 424628115 566170820 849256230 1670203919 1698512460 3340407838 5010611757 6680815676 8351019595 10021223514 16702039190 20042447028 25053058785 33404078380 50106117570 100212235140