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10049722081 = 72439914813
BaseRepresentation
bin10010101110000001…
…01001011011100001
3221221101022202222221
421113000221123201
5131040212101311
64341120231041
7504020141200
oct112700513341
927841282887
1010049722081
114297895a43
121b4576b481
13c420a9219
146b49c7237
153dc430671
hex2570296e1

10049722081 has 24 divisors (see below), whose sum is σ = 11976923904. Its totient is φ = 8403484320.

The previous prime is 10049722063. The next prime is 10049722127. The reversal of 10049722081 is 18022794001.

It is not a de Polignac number, because 10049722081 - 221 = 10047624929 is a prime.

It is a super-2 number, since 2×100497220812 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10049722061) 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, 2085631 + ... + 2090443.

It is an arithmetic number, because the mean of its divisors is an integer number (499038496).

Almost surely, 210049722081 is an apocalyptic number.

It is an amenable number.

10049722081 is a deficient number, since it is larger than the sum of its proper divisors (1927201823).

10049722081 is an equidigital number, since it uses as much as digits as its factorization.

10049722081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5861 (or 5854 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 34.

The spelling of 10049722081 in words is "ten billion, forty-nine million, seven hundred twenty-two thousand, eighty-one".

Divisors: 1 7 43 49 301 991 2107 4813 6937 33691 42613 48559 206959 235837 298291 1448713 2088037 4769683 10140991 33387781 205096369 233714467 1435674583 10049722081