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28653350707 = 252111365867
BaseRepresentation
bin11010101011110111…
…110110111100110011
32201221220100000211101
4122223313312330303
5432140224210312
621055124425231
72033025314422
oct325367667463
981856300741
1028653350707
1111174084533
125677b48217
1329183a5bb7
14155b6632b9
15b2a7c1a57
hex6abdf6f33

28653350707 has 4 divisors (see below), whose sum is σ = 28664719096. Its totient is φ = 28641982320.

The previous prime is 28653350681. The next prime is 28653350741. The reversal of 28653350707 is 70705335682.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70705335682 = 235352667841.

It is a cyclic number.

It is not a de Polignac number, because 28653350707 - 215 = 28653317939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28653350777) 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, 5680413 + ... + 5685454.

It is an arithmetic number, because the mean of its divisors is an integer number (7166179774).

Almost surely, 228653350707 is an apocalyptic number.

28653350707 is a deficient number, since it is larger than the sum of its proper divisors (11368389).

28653350707 is a wasteful number, since it uses less digits than its factorization.

28653350707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11368388.

The product of its (nonzero) digits is 1058400, while the sum is 46.

The spelling of 28653350707 in words is "twenty-eight billion, six hundred fifty-three million, three hundred fifty thousand, seven hundred seven".

Divisors: 1 2521 11365867 28653350707