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10823103280 = 2451135934259
BaseRepresentation
bin10100001010001101…
…10111001100110000
31000221021120121120001
422011012313030300
5134131203301110
64545544355344
7532130600653
oct120506671460
930837517501
1010823103280
1146543a5760
122120775b54
13103639c132
147495c389a
1543529a63a
hex2851b7330

10823103280 has 80 divisors (see below), whose sum is σ = 27528595200. Its totient is φ = 3924596480.

The previous prime is 10823103259. The next prime is 10823103281. The reversal of 10823103280 is 8230132801.

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

It is not an unprimeable number, because it can be changed into a prime (10823103281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298791 + ... + 333049.

It is an arithmetic number, because the mean of its divisors is an integer number (344107440).

Almost surely, 210823103280 is an apocalyptic number.

10823103280 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 10823103280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13764297600).

10823103280 is an abundant number, since it is smaller than the sum of its proper divisors (16705491920).

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

10823103280 is a wasteful number, since it uses less digits than its factorization.

10823103280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34642 (or 34636 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The spelling of 10823103280 in words is "ten billion, eight hundred twenty-three million, one hundred three thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 176 220 359 440 718 880 1436 1795 2872 3590 3949 5744 7180 7898 14360 15796 19745 28720 31592 34259 39490 63184 68518 78980 137036 157960 171295 274072 315920 342590 376849 548144 685180 753698 1370360 1507396 1884245 2740720 3014792 3768490 6029584 7536980 12298981 15073960 24597962 30147920 49195924 61494905 98391848 122989810 135288791 196783696 245979620 270577582 491959240 541155164 676443955 983918480 1082310328 1352887910 2164620656 2705775820 5411551640 10823103280