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10855330280 = 2351715963721
BaseRepresentation
bin10100001110000011…
…10011000111101000
31001000112012220200122
422013001303013220
5134212431032110
64553055222412
7533001533144
oct120701630750
931015186618
1010855330280
114670607343
12212b517a08
13103cc73972
1474d9b2224
15438014255
hex2870731e8

10855330280 has 32 divisors (see below), whose sum is σ = 25861229640. Its totient is φ = 4086712320.

The previous prime is 10855330279. The next prime is 10855330307. The reversal of 10855330280 is 8203355801.

It can be written as a sum of positive squares in 4 ways, for example, as 10299408196 + 555922084 = 101486^2 + 23578^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10855330280.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7981181 + ... + 7982540.

Almost surely, 210855330280 is an apocalyptic number.

10855330280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10855330280 is an abundant number, since it is smaller than the sum of its proper divisors (15005899360).

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

10855330280 is a wasteful number, since it uses less digits than its factorization.

10855330280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15963749 (or 15963745 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 10855330280 in words is "ten billion, eight hundred fifty-five million, three hundred thirty thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 15963721 31927442 63854884 79818605 127709768 159637210 271383257 319274420 542766514 638548840 1085533028 1356916285 2171066056 2713832570 5427665140 10855330280