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100131002232 = 233471091137207
BaseRepresentation
bin101110101000001000…
…1011101011101111000
3100120110022010221112020
41131100101131131320
53120032014032412
6113555522514440
710143224322132
oct1352021353570
9316408127466
10100131002232
1139513382008
12174a5805a20
1395999b9461
144bbc602052
1529109b518c
hex175045d778

100131002232 has 128 divisors (see below), whose sum is σ = 260318361600. Its totient is φ = 32076269568.

The previous prime is 100131002207. The next prime is 100131002233. The reversal of 100131002232 is 232200131001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100131002233) by changing a digit.

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, 13889973 + ... + 13897179.

It is an arithmetic number, because the mean of its divisors is an integer number (2033737200).

Almost surely, 2100131002232 is an apocalyptic number.

100131002232 is a gapful number since it is divisible by the number (12) 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 100131002232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130159180800).

100131002232 is an abundant number, since it is smaller than the sum of its proper divisors (160187359368).

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

100131002232 is a wasteful number, since it uses less digits than its factorization.

100131002232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7485 (or 7481 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 100131002232 its reverse (232200131001), we get a palindrome (332331133233).

The spelling of 100131002232 in words is "one hundred billion, one hundred thirty-one million, two thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 24 47 94 109 113 141 188 218 226 282 327 339 376 436 452 564 654 678 872 904 1128 1308 1356 2616 2712 5123 5311 7207 10246 10622 12317 14414 15369 15933 20492 21244 21621 24634 28828 30738 31866 36951 40984 42488 43242 49268 57656 61476 63732 73902 86484 98536 122952 127464 147804 172968 295608 338729 578899 677458 785563 814391 1016187 1157798 1354916 1571126 1628782 1736697 2032374 2315596 2356689 2443173 2709832 3142252 3257564 3473394 4064748 4631192 4713378 4886346 6284504 6515128 6946788 8129496 9426756 9772692 13893576 18853512 19545384 36921461 38276377 73842922 76552754 88768619 110764383 114829131 147685844 153105508 177537238 221528766 229658262 266305857 295371688 306211016 355074476 443057532 459316524 532611714 710148952 886115064 918633048 1065223428 2130446856 4172125093 8344250186 12516375279 16688500372 25032750558 33377000744 50065501116 100131002232