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28113283617 = 3232914049617
BaseRepresentation
bin11010001011101011…
…101010101000100001
32200120021002210001120
4122023223222220201
5430034000033432
620525353122453
72013446652666
oct321353525041
980507083046
1028113283617
1110a172410a1
1255470b9429
132860532883
141509a3ba6d
15ae8191c2c
hex68baeaa21

28113283617 has 16 divisors (see below), whose sum is σ = 40462899840. Its totient is φ = 17309126912.

The previous prime is 28113283613. The next prime is 28113283631. The reversal of 28113283617 is 71638231182.

It is a cyclic number.

It is not a de Polignac number, because 28113283617 - 22 = 28113283613 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28113283613) 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 15 ways as a sum of consecutive naturals, for example, 7022808 + ... + 7026809.

It is an arithmetic number, because the mean of its divisors is an integer number (2528931240).

Almost surely, 228113283617 is an apocalyptic number.

It is an amenable number.

28113283617 is a deficient number, since it is larger than the sum of its proper divisors (12349616223).

28113283617 is a wasteful number, since it uses less digits than its factorization.

28113283617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14049672.

The product of its digits is 96768, while the sum is 42.

The spelling of 28113283617 in words is "twenty-eight billion, one hundred thirteen million, two hundred eighty-three thousand, six hundred seventeen".

Divisors: 1 3 23 29 69 87 667 2001 14049617 42148851 323141191 407438893 969423573 1222316679 9371094539 28113283617