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28002816146832 = 2439736923162889
BaseRepresentation
bin1100101110111111010011…
…11010001011110110010000
310200011001011101220222201120
412113133221322023312100
512132244231413144312
6135320152142002240
75620064613626562
oct627375172136620
9120131141828646
1028002816146832
118a16a2275704a
123183172576380
131281867469767
146cb4b4925332
1533863e17528c
hex1977e9e8bd90

28002816146832 has 80 divisors (see below), whose sum is σ = 73088815974720. Its totient is φ = 9237735530496.

The previous prime is 28002816146831. The next prime is 28002816147001. The reversal of 28002816146832 is 23864161820082.

It is not an unprimeable number, because it can be changed into a prime (28002816146831) 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, 171832044 + ... + 171994932.

It is an arithmetic number, because the mean of its divisors is an integer number (913610199684).

Almost surely, 228002816146832 is an apocalyptic number.

It is an amenable number.

28002816146832 is an abundant number, since it is smaller than the sum of its proper divisors (45085999827888).

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

28002816146832 is a wasteful number, since it uses less digits than its factorization.

28002816146832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199920 (or 199914 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 51.

The spelling of 28002816146832 in words is "twenty-eight trillion, two billion, eight hundred sixteen million, one hundred forty-six thousand, eight hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 97 194 291 388 582 776 1164 1552 2328 4656 36923 73846 110769 147692 162889 221538 295384 325778 443076 488667 590768 651556 886152 977334 1303112 1772304 1954668 2606224 3581531 3909336 7163062 7818672 10744593 14326124 15800233 21489186 28652248 31600466 42978372 47400699 57304496 63200932 85956744 94801398 126401864 171913488 189602796 252803728 379205592 758411184 6014350547 12028701094 18043051641 24057402188 36086103282 48114804376 72172206564 96229608752 144344413128 288688826256 583392003059 1166784006118 1750176009177 2333568012236 3500352018354 4667136024472 7000704036708 9334272048944 14001408073416 28002816146832