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16280028001632 = 253169583625017
BaseRepresentation
bin1110110011100111110101…
…0010010011010101100000
32010122100121010212012020110
43230321331102103111200
54113212444132023012
654342535220011320
73300123161530503
oct354717522232540
963570533765213
1016280028001632
11520735942979a
1219ab218530b40
1391127a6947b5
14403d5978713a
151d373300073c
hexece7d493560

16280028001632 has 24 divisors (see below), whose sum is σ = 42735073504536. Its totient is φ = 5426676000512.

The previous prime is 16280028001607. The next prime is 16280028001669. The reversal of 16280028001632 is 23610082008261.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×162800280016322 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84791812413 + ... + 84791812604.

It is an arithmetic number, because the mean of its divisors is an integer number (1780628062689).

Almost surely, 216280028001632 is an apocalyptic number.

16280028001632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16280028001632 is an abundant number, since it is smaller than the sum of its proper divisors (26455045502904).

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

16280028001632 is a wasteful number, since it uses less digits than its factorization.

16280028001632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169583625030 (or 169583625022 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The spelling of 16280028001632 in words is "sixteen trillion, two hundred eighty billion, twenty-eight million, one thousand, six hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 169583625017 339167250034 508750875051 678334500068 1017501750102 1356669000136 2035003500204 2713338000272 4070007000408 5426676000544 8140014000816 16280028001632