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102131021300 = 225271114599091
BaseRepresentation
bin101111100011101111…
…0111011010111110100
3100202121200112102220112
41133013132323113310
53133131020140200
6114530210122152
710243621233410
oct1370736732764
9322550472815
10102131021300
113a34a331a30
1217963580358
13982816c3a9
144d2c0a3d40
1529cb37d535
hex17c77bb5f4

102131021300 has 144 divisors (see below), whose sum is σ = 276530634240. Its totient is φ = 31807728000.

The previous prime is 102131021297. The next prime is 102131021303. The reversal of 102131021300 is 3120131201.

It is an interprime number because it is at equal distance from previous prime (102131021297) and next prime (102131021303).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102131021303) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11229755 + ... + 11238845.

Almost surely, 2102131021300 is an apocalyptic number.

102131021300 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 102131021300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138265317120).

102131021300 is an abundant number, since it is smaller than the sum of its proper divisors (174399612940).

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

102131021300 is a wasteful number, since it uses less digits than its factorization.

102131021300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10582 (or 10575 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 102131021300 its reverse (3120131201), we get a palindrome (105251152501).

It can be divided in two parts, 10213 and 1021300, that multiplied together give a square (10430536900 = 1021302).

The spelling of 102131021300 in words is "one hundred two billion, one hundred thirty-one million, twenty-one thousand, three hundred".

Divisors: 1 2 4 5 7 10 11 14 20 22 25 28 35 44 50 55 70 77 100 110 140 154 175 220 275 308 350 385 550 700 770 1100 1459 1540 1925 2918 3850 5836 7295 7700 9091 10213 14590 16049 18182 20426 29180 32098 36364 36475 40852 45455 51065 63637 64196 72950 80245 90910 100001 102130 112343 127274 145900 160490 181820 200002 204260 224686 227275 254548 255325 318185 320980 400004 401225 449372 454550 500005 510650 561715 636370 700007 802450 909100 1000010 1021300 1123430 1272740 1400014 1590925 1604900 2000020 2246860 2500025 2800028 2808575 3181850 3500035 5000050 5617150 6363700 7000070 10000100 11234300 13263769 14000140 17500175 26527538 35000350 53055076 66318845 70000700 92846383 132637690 145901459 185692766 265275380 291802918 331594225 371385532 464231915 583605836 663188450 729507295 928463830 1021310213 1326376900 1459014590 1856927660 2042620426 2321159575 2918029180 3647536475 4085240852 4642319150 5106551065 7295072950 9284638300 10213102130 14590145900 20426204260 25532755325 51065510650 102131021300