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4888992169 = 211166313933
BaseRepresentation
bin1001000110110100…
…00001100110101001
3110121201111112110001
410203122001212221
540003040222134
62125044023001
7232103514325
oct44332014651
913551445401
104888992169
1120897881a6
12b45391a61
135cbb62899
14345446985
151d932a414
hex1236819a9

4888992169 has 8 divisors (see below), whose sum is σ = 4915469312. Its totient is φ = 4862546640.

The previous prime is 4888992149. The next prime is 4888992179. The reversal of 4888992169 is 9612998884.

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 4888992169 - 25 = 4888992137 is a prime.

It is a super-2 number, since 2×48889921692 = 47804488857086649122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4888992169.

It is not an unprimeable number, because it can be changed into a prime (4888992149) 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, 343927 + ... + 357859.

It is an arithmetic number, because the mean of its divisors is an integer number (614433664).

Almost surely, 24888992169 is an apocalyptic number.

It is an amenable number.

4888992169 is a deficient number, since it is larger than the sum of its proper divisors (26477143).

4888992169 is a wasteful number, since it uses less digits than its factorization.

4888992169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15807.

The product of its digits is 17915904, while the sum is 64.

The square root of 4888992169 is about 69921.3284270258. The cubic root of 4888992169 is about 1697.2264079575.

The spelling of 4888992169 in words is "four billion, eight hundred eighty-eight million, nine hundred ninety-two thousand, one hundred sixty-nine".

Divisors: 1 211 1663 13933 350893 2939863 23170579 4888992169