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131003102100 = 223521338986351
BaseRepresentation
bin111101000000001100…
…1001011001110010100
3110112010211110010000110
41322000121023032110
54121243243231400
6140103151043020
712315243665163
oct1720031131624
9415124403013
10131003102100
1150615921632
1221480810470
13c479959980
1464aa7c33da
15361ae58e50
hex1e8064b394

131003102100 has 144 divisors (see below), whose sum is σ = 409246306560. Its totient is φ = 32163648000.

The previous prime is 131003102077. The next prime is 131003102143. The reversal of 131003102100 is 1201300131.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 1473925 + ... + 1560275.

It is an arithmetic number, because the mean of its divisors is an integer number (2841988240).

Almost surely, 2131003102100 is an apocalyptic number.

131003102100 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 131003102100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204623153280).

131003102100 is an abundant number, since it is smaller than the sum of its proper divisors (278243204460).

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

131003102100 is a wasteful number, since it uses less digits than its factorization.

131003102100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86770 (or 86763 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 131003102100 its reverse (1201300131), we get a palindrome (132204402231).

The spelling of 131003102100 in words is "one hundred thirty-one billion, three million, one hundred two thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 25 26 30 39 50 52 60 65 75 78 100 130 150 156 195 260 300 325 389 390 650 778 780 975 1167 1300 1556 1945 1950 2334 3890 3900 4668 5057 5835 7780 9725 10114 11670 15171 19450 20228 23340 25285 29175 30342 38900 50570 58350 60684 75855 86351 101140 116700 126425 151710 172702 252850 259053 303420 345404 379275 431755 505700 518106 758550 863510 1036212 1122563 1295265 1517100 1727020 2158775 2245126 2590530 3367689 4317550 4490252 5181060 5612815 6476325 6735378 8635100 11225630 12952650 13470756 16838445 22451260 25905300 28064075 33590539 33676890 56128150 67181078 67353780 84192225 100771617 112256300 134362156 167952695 168384450 201543234 335905390 336768900 403086468 436677007 503858085 671810780 839763475 873354014 1007716170 1310031021 1679526950 1746708028 2015432340 2183385035 2519290425 2620062042 3359053900 4366770070 5038580850 5240124084 6550155105 8733540140 10077161700 10916925175 13100310210 21833850350 26200620420 32750775525 43667700700 65501551050 131003102100