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100031220104 = 2347717947431
BaseRepresentation
bin101110100101001010…
…0110100100110001000
3100120012100101111011212
41131022110310212020
53114330443020404
6113542000112252
710140603225134
oct1351224644610
9316170344155
10100031220104
113947201a242
1217478305688
139582120b8a
144bad26a3c4
152906d5506e
hex174a534988

100031220104 has 64 divisors (see below), whose sum is σ = 196709990400. Its totient is φ = 47650075200.

The previous prime is 100031220041. The next prime is 100031220139. The reversal of 100031220104 is 401022130001.

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, 2085269 + ... + 2132699.

It is an arithmetic number, because the mean of its divisors is an integer number (3073593600).

Almost surely, 2100031220104 is an apocalyptic number.

It is an amenable number.

100031220104 is a deficient number, since it is larger than the sum of its proper divisors (96678770296).

100031220104 is a wasteful number, since it uses less digits than its factorization.

100031220104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47634 (or 47630 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 100031220104 its reverse (401022130001), we get a palindrome (501053350105).

The spelling of 100031220104 in words is "one hundred billion, thirty-one million, two hundred twenty thousand, one hundred four".

Divisors: 1 2 4 8 47 71 79 94 142 158 188 284 316 376 568 632 3337 3713 5609 6674 7426 11218 13348 14852 22436 26696 29704 44872 47431 94862 189724 263623 379448 527246 1054492 2108984 2229257 3367601 3747049 4458514 6735202 7494098 8917028 13470404 14988196 17834056 26940808 29976392 158277247 176111303 266040479 316554494 352222606 532080958 633108988 704445212 1064161916 1266217976 1408890424 2128323832 12503902513 25007805026 50015610052 100031220104