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7645748052 = 2236110445011
BaseRepresentation
bin1110001111011100…
…01101101101010100
3201201211211020120210
413013232031231110
5111124302414202
63302402525420
7360316533435
oct70756155524
921654736523
107645748052
113273909748
121594666870
1394b02b797
1452761148c
152eb371c6c
hex1c7b8db54

7645748052 has 24 divisors (see below), whose sum is σ = 18132540832. Its totient is φ = 2506802400.

The previous prime is 7645748051. The next prime is 7645748057. The reversal of 7645748052 is 2508475467.

It is a junction number, because it is equal to n+sod(n) for n = 7645747992 and 7645748010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7645748051) 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 7 ways as a sum of consecutive naturals, for example, 5221774 + ... + 5223237.

Almost surely, 27645748052 is an apocalyptic number.

It is an amenable number.

7645748052 is an abundant number, since it is smaller than the sum of its proper divisors (10486792780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7645748052 is a wasteful number, since it uses less digits than its factorization.

7645748052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10445079 (or 10445077 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 48.

The square root of 7645748052 is about 87439.9682753831. The cubic root of 7645748052 is about 1970.0322129633.

The spelling of 7645748052 in words is "seven billion, six hundred forty-five million, seven hundred forty-eight thousand, fifty-two".

Divisors: 1 2 3 4 6 12 61 122 183 244 366 732 10445011 20890022 31335033 41780044 62670066 125340132 637145671 1274291342 1911437013 2548582684 3822874026 7645748052