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28845848469 = 319836097199
BaseRepresentation
bin11010110111010110…
…001011011110010101
32202110022112221010010
4122313112023132111
5433034014122334
621130202350433
72040553444404
oct326726133625
982408487103
1028845848469
1111262802999
1257104bb419
1329492344b9
14157905163b
15b3c6480e9
hex6b758b795

28845848469 has 16 divisors (see below), whose sum is σ = 40973184000. Its totient is φ = 17998928496.

The previous prime is 28845848413. The next prime is 28845848491. The reversal of 28845848469 is 96484854882.

It is not a de Polignac number, because 28845848469 - 212 = 28845844373 is a prime.

It is a super-2 number, since 2×288458484692 (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28845848569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3043869 + ... + 3053330.

It is an arithmetic number, because the mean of its divisors is an integer number (2560824000).

Almost surely, 228845848469 is an apocalyptic number.

It is an amenable number.

28845848469 is a deficient number, since it is larger than the sum of its proper divisors (12127335531).

28845848469 is a wasteful number, since it uses less digits than its factorization.

28845848469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6097304.

The product of its digits is 141557760, while the sum is 66.

The spelling of 28845848469 in words is "twenty-eight billion, eight hundred forty-five million, eight hundred forty-eight thousand, four hundred sixty-nine".

Divisors: 1 3 19 57 83 249 1577 4731 6097199 18291597 115846781 347540343 506067517 1518202551 9615282823 28845848469