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28161146950600 = 2352433274551971
BaseRepresentation
bin1100110011100110001110…
…01010010001001111001000
310200201011211202021011221211
412121303013022101033020
512142343012104404400
6135521015144342504
75634401321354506
oct631630712211710
9120634752234854
1028161146950600
118a78091326394
1231a999b174a34
13129377a9538b1
146d5014891676
1533c8092e5dba
hex199cc72913c8

28161146950600 has 48 divisors (see below), whose sum is σ = 66997333347120. Its totient is φ = 11002494619200.

The previous prime is 28161146950597. The next prime is 28161146950609. The reversal of 28161146950600 is 605964116182.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28161146950609) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1637267386 + ... + 1637284585.

It is an arithmetic number, because the mean of its divisors is an integer number (1395777778065).

Almost surely, 228161146950600 is an apocalyptic number.

28161146950600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28161146950600 is an abundant number, since it is smaller than the sum of its proper divisors (38836186396520).

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

28161146950600 is a wasteful number, since it uses less digits than its factorization.

28161146950600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3274552030 (or 3274552021 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 49.

The spelling of 28161146950600 in words is "twenty-eight trillion, one hundred sixty-one billion, one hundred forty-six million, nine hundred fifty thousand, six hundred".

Divisors: 1 2 4 5 8 10 20 25 40 43 50 86 100 172 200 215 344 430 860 1075 1720 2150 4300 8600 3274551971 6549103942 13098207884 16372759855 26196415768 32745519710 65491039420 81863799275 130982078840 140805734753 163727598550 281611469506 327455197100 563222939012 654910394200 704028673765 1126445878024 1408057347530 2816114695060 3520143368825 5632229390120 7040286737650 14080573475300 28161146950600