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28862248420464 = 2431984130305773
BaseRepresentation
bin1101001000000000001000…
…00100001000010001110000
310210012012111201101001021220
412210000010010020101300
512240334341043423324
6141215044530145040
76036141264465444
oct644000404102160
9123165451331256
1028862248420464
119218457883658
1232a1844722180
131314910367544
1471ad24198824
15350b8ee24b79
hex1a4004108470

28862248420464 has 40 divisors (see below), whose sum is σ = 74564568795792. Its totient is φ = 9620264263680.

The previous prime is 28862248420459. The next prime is 28862248420471. The reversal of 28862248420464 is 46402484226882.

It is a super-3 number, since 3×288622484204643 (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28862248420398 and 28862248420407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14200519 + ... + 16105254.

Almost surely, 228862248420464 is an apocalyptic number.

28862248420464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28862248420464 is an abundant number, since it is smaller than the sum of its proper divisors (45702320375328).

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

28862248420464 is a wasteful number, since it uses less digits than its factorization.

28862248420464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30325625 (or 30325619 counting only the distinct ones).

The product of its (nonzero) digits is 75497472, while the sum is 60.

The spelling of 28862248420464 in words is "twenty-eight trillion, eight hundred sixty-two billion, two hundred forty-eight million, four hundred twenty thousand, four hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 19841 39682 59523 79364 119046 158728 238092 317456 476184 952368 30305773 60611546 90917319 121223092 181834638 242446184 363669276 484892368 727338552 1454677104 601296842093 1202593684186 1803890526279 2405187368372 3607781052558 4810374736744 7215562105116 9620749473488 14431124210232 28862248420464