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10320231021 = 317233868487
BaseRepresentation
bin10011001110010001…
…00011101001101101
3222122020100001111120
421213020203221231
5132113434343041
64424022211153
7513513342042
oct114710435155
928566301446
1010320231021
114416557351
122000283ab9
13c8614c899
146dc8c11c9
15406066366
hex267223a6d

10320231021 has 16 divisors (see below), whose sum is σ = 14632285824. Its totient is φ = 6447640064.

The previous prime is 10320231011. The next prime is 10320231067. The reversal of 10320231021 is 12013202301.

10320231021 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10320231021 - 211 = 10320228973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10320231011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 422361 + ... + 446126.

It is an arithmetic number, because the mean of its divisors is an integer number (914517864).

Almost surely, 210320231021 is an apocalyptic number.

It is an amenable number.

10320231021 is a deficient number, since it is larger than the sum of its proper divisors (4312054803).

10320231021 is a wasteful number, since it uses less digits than its factorization.

10320231021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868740.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 10320231021 its reverse (12013202301), we get a palindrome (22333433322).

The spelling of 10320231021 in words is "ten billion, three hundred twenty million, two hundred thirty-one thousand, twenty-one".

Divisors: 1 3 17 51 233 699 3961 11883 868487 2605461 14764279 44292837 202357471 607072413 3440077007 10320231021