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10814031648 = 253275990917
BaseRepresentation
bin10100001001001000…
…10000011100100000
31000220122111201121200
422010210100130200
5134121343003043
64545022121200
7531660516030
oct120444203440
930818451550
1010814031648
11464a26a042
122119720200
131034543cc4
147483018c0
154345a77d3
hex284910720

10814031648 has 144 divisors (see below), whose sum is σ = 35741684160. Its totient is φ = 3037321728.

The previous prime is 10814031643. The next prime is 10814031689. The reversal of 10814031648 is 84613041801.

It is a happy number.

10814031648 is a `hidden beast` number, since 1 + 0 + 8 + 1 + 4 + 0 + 3 + 1 + 648 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (10814031643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73486 + ... + 164402.

It is an arithmetic number, because the mean of its divisors is an integer number (248206140).

Almost surely, 210814031648 is an apocalyptic number.

10814031648 is a gapful number since it is divisible by the number (18) 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 10814031648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17870842080).

10814031648 is an abundant number, since it is smaller than the sum of its proper divisors (24927652512).

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

10814031648 is a wasteful number, since it uses less digits than its factorization.

10814031648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90999 (or 90988 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The spelling of 10814031648 in words is "ten billion, eight hundred fourteen million, thirty-one thousand, six hundred forty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 59 63 72 84 96 112 118 126 144 168 177 224 236 252 288 336 354 413 472 504 531 672 708 826 944 1008 1062 1239 1416 1652 1888 2016 2124 2478 2832 3304 3717 4248 4956 5664 6608 7434 8496 9912 13216 14868 16992 19824 29736 39648 59472 90917 118944 181834 272751 363668 545502 636419 727336 818253 1091004 1272838 1454672 1636506 1909257 2182008 2545676 2909344 3273012 3818514 4364016 5091352 5364103 5727771 6546024 7637028 8728032 10182704 10728206 11455542 13092048 15274056 16092309 20365408 21456412 22911084 26184096 30548112 32184618 37548721 42912824 45822168 48276927 61096224 64369236 75097442 85825648 91644336 96553854 112646163 128738472 150194884 171651296 183288672 193107708 225292326 257476944 300389768 337938489 386215416 450584652 514953888 600779536 675876978 772430832 901169304 1201559072 1351753956 1544861664 1802338608 2703507912 3604677216 5407015824 10814031648