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10212520445 = 55383464311
BaseRepresentation
bin10011000001011011…
…01011000111111101
3222100201122210100222
421200231223013331
5131403401123240
64405213431125
7511034664041
oct114055530775
928321583328
1010212520445
114370779846
121b9019b4a5
13c69a3960a
146cc484021
153eb88beb5
hex260b6b1fd

10212520445 has 16 divisors (see below), whose sum is σ = 12636715392. Its totient is φ = 7919271360.

The previous prime is 10212520399. The next prime is 10212520447. The reversal of 10212520445 is 54402521201.

It is not a de Polignac number, because 10212520445 - 28 = 10212520189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212520447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210161 + ... + 254150.

It is an arithmetic number, because the mean of its divisors is an integer number (789794712).

Almost surely, 210212520445 is an apocalyptic number.

It is an amenable number.

10212520445 is a deficient number, since it is larger than the sum of its proper divisors (2424194947).

10212520445 is an equidigital number, since it uses as much as digits as its factorization.

10212520445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464452.

The product of its (nonzero) digits is 3200, while the sum is 26.

The spelling of 10212520445 in words is "ten billion, two hundred twelve million, five hundred twenty thousand, four hundred forty-five".

Divisors: 1 5 53 83 265 415 4399 21995 464311 2321555 24608483 38537813 123042415 192689065 2042504089 10212520445