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10282505309 = 59174279751
BaseRepresentation
bin10011001001110001…
…01001010001011101
3222112121100101112222
421210320221101131
5132024310132214
64420153435125
7512544565406
oct114470512135
928477311488
1010282505309
1143a722a47a
121bab70baa5
13c7b3a128b
146d78a09ad
15402ab338e
hex264e2945d

10282505309 has 4 divisors (see below), whose sum is σ = 10456785120. Its totient is φ = 10108225500.

The previous prime is 10282505293. The next prime is 10282505341. The reversal of 10282505309 is 90350528201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10282505309 - 24 = 10282505293 is a prime.

It is a super-2 number, since 2×102825053092 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10282505509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87139817 + ... + 87139934.

It is an arithmetic number, because the mean of its divisors is an integer number (2614196280).

Almost surely, 210282505309 is an apocalyptic number.

It is an amenable number.

10282505309 is a deficient number, since it is larger than the sum of its proper divisors (174279811).

10282505309 is an equidigital number, since it uses as much as digits as its factorization.

10282505309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174279810.

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 10282505309 in words is "ten billion, two hundred eighty-two million, five hundred five thousand, three hundred nine".

Divisors: 1 59 174279751 10282505309