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10020231243 = 32111092413853
BaseRepresentation
bin10010101010100000…
…01001100001001011
3221212022211111011200
421111100021201023
5131010134344433
64334144155243
7503211363111
oct112520114113
927768744150
1010020231243
114282183050
121b37908b23
13c38c51c19
146b0b0bab1
153d9a57613
hex25540984b

10020231243 has 48 divisors (see below), whose sum is σ = 16004582880. Its totient is φ = 5990630400.

The previous prime is 10020231211. The next prime is 10020231281. The reversal of 10020231243 is 34213202001.

It is not a de Polignac number, because 10020231243 - 25 = 10020231211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10020231643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2598705 + ... + 2602557.

It is an arithmetic number, because the mean of its divisors is an integer number (333428810).

Almost surely, 210020231243 is an apocalyptic number.

10020231243 is a deficient number, since it is larger than the sum of its proper divisors (5984351637).

10020231243 is a wasteful number, since it uses less digits than its factorization.

10020231243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4220 (or 4217 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 10020231243 its reverse (34213202001), we get a palindrome (44233433244).

The spelling of 10020231243 in words is "ten billion, twenty million, two hundred thirty-one thousand, two hundred forty-three".

Divisors: 1 3 9 11 33 99 109 241 327 723 981 1199 2169 2651 3597 3853 7953 10791 11559 23859 26269 34677 42383 78807 127149 236421 288959 381447 419977 866877 928573 1259931 2600631 2785719 3779793 4619747 8357157 10214303 13859241 30642909 41577723 91928727 101214457 303643371 910930113 1113359027 3340077081 10020231243