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28848726456 = 23311195751341
BaseRepresentation
bin11010110111100001…
…001010000110111000
32202110111222010222020
4122313201022012320
5433040233221311
621130344154440
72040620062134
oct326741120670
982414863866
1028848726456
11112643991a0
125711468a20
132949a01454
1415795a03c4
15b3ca15c06
hex6b784a1b8

28848726456 has 64 divisors (see below), whose sum is σ = 82819324800. Its totient is φ = 8281929600.

The previous prime is 28848726443. The next prime is 28848726539. The reversal of 28848726456 is 65462784882.

It is a super-2 number, since 2×288487264562 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28848726456.

It is a congruent number.

It is an unprimeable number.

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, 2870655 + ... + 2880686.

It is an arithmetic number, because the mean of its divisors is an integer number (1294051950).

Almost surely, 228848726456 is an apocalyptic number.

It is an amenable number.

28848726456 is an abundant number, since it is smaller than the sum of its proper divisors (53970598344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28848726456 is a wasteful number, since it uses less digits than its factorization.

28848726456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5751380 (or 5751376 counting only the distinct ones).

The product of its digits is 41287680, while the sum is 60.

The spelling of 28848726456 in words is "twenty-eight billion, eight hundred forty-eight million, seven hundred twenty-six thousand, four hundred fifty-six".

Divisors: 1 2 3 4 6 8 11 12 19 22 24 33 38 44 57 66 76 88 114 132 152 209 228 264 418 456 627 836 1254 1672 2508 5016 5751341 11502682 17254023 23005364 34508046 46010728 63264751 69016092 109275479 126529502 138032184 189794253 218550958 253059004 327826437 379588506 437101916 506118008 655652874 759177012 874203832 1202030269 1311305748 1518354024 2404060538 2622611496 3606090807 4808121076 7212181614 9616242152 14424363228 28848726456