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1300020231100 = 225217271633569
BaseRepresentation
bin10010111010101111001…
…111100111101110111100
311121021120122102022002011
4102322233033213232330
5132244420134343400
62433115425141004
7162631466432233
oct22725717475674
94537518368064
101300020231100
11461376590108
1218bb5218a764
139578c35bac6
1446cc8133b1a
1523c3aabe8ba
hex12eaf3e7bbc

1300020231100 has 108 divisors (see below), whose sum is σ = 3038961587760. Its totient is φ = 482525388800.

The previous prime is 1300020231073. The next prime is 1300020231101. The reversal of 1300020231100 is 11320200031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300020231101) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1735116 + ... + 2368684.

It is an arithmetic number, because the mean of its divisors is an integer number (28138533220).

Almost surely, 21300020231100 is an apocalyptic number.

1300020231100 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 1300020231100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1519480793880).

1300020231100 is an abundant number, since it is smaller than the sum of its proper divisors (1738941356660).

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

1300020231100 is a wasteful number, since it uses less digits than its factorization.

1300020231100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633688 (or 633664 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 1300020231100 its reverse (11320200031), we get a palindrome (1311340431131).

The spelling of 1300020231100 in words is "one trillion, three hundred billion, twenty million, two hundred thirty-one thousand, one hundred".

Divisors: 1 2 4 5 10 17 20 25 34 50 68 71 85 100 142 170 284 289 340 355 425 578 710 850 1156 1207 1420 1445 1700 1775 2414 2890 3550 4828 5780 6035 7100 7225 12070 14450 20519 24140 28900 30175 41038 60350 82076 102595 120700 205190 410380 512975 633569 1025950 1267138 2051900 2534276 3167845 6335690 10770673 12671380 15839225 21541346 31678450 43082692 44983399 53853365 63356900 89966798 107706730 179933596 183101441 215413460 224916995 269266825 366202882 449833990 538533650 732405764 764717783 899667980 915507205 1077067300 1124584975 1529435566 1831014410 2249169950 3058871132 3662028820 3823588915 4498339900 4577536025 7647177830 9155072050 13000202311 15294355660 18310144100 19117944575 26000404622 38235889150 52000809244 65001011555 76471778300 130002023110 260004046220 325005057775 650010115550 1300020231100