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28063314777 = 359158549801
BaseRepresentation
bin11010001000101101…
…000011001101011001
32200102210002002200210
4122020231003031121
5424433202033102
620520410121333
72012302145151
oct321055031531
980383062623
1028063314777
11109a1011833
125532420249
132853088704
141503151761
15ae3ac136c
hex688b43359

28063314777 has 8 divisors (see below), whose sum is σ = 38051952480. Its totient is φ = 18391776800.

The previous prime is 28063314751. The next prime is 28063314823. The reversal of 28063314777 is 77741336082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28063314777 - 210 = 28063313753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28063314707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79274724 + ... + 79275077.

It is an arithmetic number, because the mean of its divisors is an integer number (4756494060).

Almost surely, 228063314777 is an apocalyptic number.

It is an amenable number.

28063314777 is a deficient number, since it is larger than the sum of its proper divisors (9988637703).

28063314777 is a wasteful number, since it uses less digits than its factorization.

28063314777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158549863.

The product of its (nonzero) digits is 1185408, while the sum is 48.

The spelling of 28063314777 in words is "twenty-eight billion, sixty-three million, three hundred fourteen thousand, seven hundred seventy-seven".

Divisors: 1 3 59 177 158549801 475649403 9354438259 28063314777