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103123111120 = 24517394719211
BaseRepresentation
bin110000000001010011…
…1011100110011010000
3100212011211022211021221
41200002213130303100
53142144004023440
6115212450054424
710310325660511
oct1400247346320
9325154284257
10103123111120
113a809342777
1217b9b87a414
139955869ca3
144dc3b52a08
152a384ead4a
hex18029dccd0

103123111120 has 80 divisors (see below), whose sum is σ = 253942371648. Its totient is φ = 38810961920.

The previous prime is 103123111099. The next prime is 103123111151. The reversal of 103123111120 is 21111321301.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 103123111094 and 103123111103.

It is a congruent number.

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, 5358315 + ... + 5377525.

Almost surely, 2103123111120 is an apocalyptic number.

103123111120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103123111120 is an abundant number, since it is smaller than the sum of its proper divisors (150819260528).

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

103123111120 is a wasteful number, since it uses less digits than its factorization.

103123111120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23188 (or 23182 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 103123111120 its reverse (21111321301), we get a palindrome (124234432421).

The spelling of 103123111120 in words is "one hundred three billion, one hundred twenty-three million, one hundred eleven thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 17 20 34 40 68 80 85 136 170 272 340 680 1360 3947 7894 15788 19211 19735 31576 38422 39470 63152 67099 76844 78940 96055 134198 153688 157880 192110 268396 307376 315760 326587 335495 384220 536792 653174 670990 768440 1073584 1306348 1341980 1536880 1632935 2612696 2683960 3265870 5225392 5367920 6531740 13063480 26126960 75825817 151651634 303303268 379129085 606606536 758258170 1213213072 1289038889 1516516340 2578077778 3033032680 5156155556 6066065360 6445194445 10312311112 12890388890 20624622224 25780777780 51561555560 103123111120