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11720703200 = 2552312931613
BaseRepresentation
bin10101110101001101…
…11011110011100000
31010020211120102011112
422322212323303200
5143001000000300
65215011202452
7563310222233
oct127246736340
933224512145
1011720703200
114a75038878
1223312a6428
13114a33524b
147d28b741a
15488ea0e35
hex2ba9bbce0

11720703200 has 144 divisors (see below), whose sum is σ = 29655351936. Its totient is φ = 4518758400.

The previous prime is 11720703167. The next prime is 11720703229. The reversal of 11720703200 is 230702711.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7265594 + ... + 7267206.

It is an arithmetic number, because the mean of its divisors is an integer number (205939944).

Almost surely, 211720703200 is an apocalyptic number.

11720703200 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 11720703200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14827675968).

11720703200 is an abundant number, since it is smaller than the sum of its proper divisors (17934648736).

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

11720703200 is a wasteful number, since it uses less digits than its factorization.

11720703200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1957 (or 1944 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 23.

The spelling of 11720703200 in words is "eleven billion, seven hundred twenty million, seven hundred three thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 31 32 40 50 62 80 100 124 155 160 200 248 293 310 400 496 586 620 775 800 992 1172 1240 1465 1550 1613 2344 2480 2930 3100 3226 4688 4960 5860 6200 6452 7325 8065 9083 9376 11720 12400 12904 14650 16130 18166 23440 24800 25808 29300 32260 36332 40325 45415 46880 50003 51616 58600 64520 72664 80650 90830 100006 117200 129040 145328 161300 181660 200012 227075 234400 250015 258080 290656 322600 363320 400024 454150 472609 500030 645200 726640 800048 908300 945218 1000060 1250075 1290400 1453280 1600096 1816600 1890436 2000120 2363045 2500150 3633200 3780872 4000240 4726090 5000300 7266400 7561744 8000480 9452180 10000600 11815225 14650879 15123488 18904360 20001200 23630450 29301758 37808720 40002400 47260900 58603516 73254395 75617440 94521800 117207032 146508790 189043600 234414064 293017580 366271975 378087200 468828128 586035160 732543950 1172070320 1465087900 2344140640 2930175800 5860351600 11720703200