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7744242053 = 19407591687
BaseRepresentation
bin1110011011001011…
…11100000110000101
3201222201011020221202
413031211330012011
5111330011221203
63320241552245
7362623654112
oct71545740605
921881136852
107744242053
113314471749
121601645685
13965565962
1453672d909
15304d2a388
hex1cd97c185

7744242053 has 4 divisors (see below), whose sum is σ = 8151833760. Its totient is φ = 7336650348.

The previous prime is 7744242013. The next prime is 7744242061. The reversal of 7744242053 is 3502424477.

It is a happy number.

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 not a de Polignac number, because 7744242053 - 28 = 7744241797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7744241998 and 7744242016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7744242013) 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 3 ways as a sum of consecutive naturals, for example, 203795825 + ... + 203795862.

It is an arithmetic number, because the mean of its divisors is an integer number (2037958440).

Almost surely, 27744242053 is an apocalyptic number.

It is an amenable number.

7744242053 is a deficient number, since it is larger than the sum of its proper divisors (407591707).

7744242053 is a wasteful number, since it uses less digits than its factorization.

7744242053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407591706.

The product of its (nonzero) digits is 188160, while the sum is 38.

The square root of 7744242053 is about 88001.3752903896. The cubic root of 7744242053 is about 1978.4555902959.

The spelling of 7744242053 in words is "seven billion, seven hundred forty-four million, two hundred forty-two thousand, fifty-three".

Divisors: 1 19 407591687 7744242053