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10299985190881 = 1499221412
BaseRepresentation
bin1001010111100010011011…
…1101010101111111100001
31100110200001200021220021121
42111320212331111333201
52322223332202102011
633523425312452241
72112102143400451
oct225704675257741
940420050256247
1010299985190881
113311221135a81
1211a425824a081
13599390ba0629
142787442d7d61
1512cdd6178e71
hex95e26f55fe1

10299985190881 has 9 divisors (see below), whose sum is σ = 10311677301523. Its totient is φ = 10288306333480.

The previous prime is 10299985190861. The next prime is 10299985190899. The reversal of 10299985190881 is 18809158999201.

The square root of 10299985190881 is 3209359.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 9824519779281 + 475465411600 = 3134409^2 + 689540^2 .

It is not a de Polignac number, because 10299985190881 - 25 = 10299985190849 is a prime.

It is a super-2 number, since 2×102999851908812 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10299985190881.

It is not an unprimeable number, because it can be changed into a prime (10299985190861) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4810828071 + ... + 4810830211.

Almost surely, 210299985190881 is an apocalyptic number.

10299985190881 is the 3209359-th square number.

10299985190881 is the 1604680-th centered octagonal number.

It is an amenable number.

10299985190881 is a deficient number, since it is larger than the sum of its proper divisors (11692110642).

10299985190881 is an frugal number, since it uses more digits than its factorization.

10299985190881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7280 (or 3640 counting only the distinct ones).

The product of its (nonzero) digits is 33592320, while the sum is 70.

The spelling of 10299985190881 in words is "ten trillion, two hundred ninety-nine billion, nine hundred eighty-five million, one hundred ninety thousand, eight hundred eighty-one".

Divisors: 1 1499 2141 2247001 3209359 4583881 4810829141 6871237619 10299985190881