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550021827693 = 31319312772393
BaseRepresentation
bin10000000000011111101…
…10110000110001101101
31221120200222002211211110
420000033312300301231
533002421041441233
61100402044342233
754511024252602
oct10001766606155
91846628084743
10550021827693
111a2298a89a68
128a721244979
133cb36590aa0
141c89a7d66a9
15e49238a663
hex800fdb0c6d

550021827693 has 48 divisors (see below), whose sum is σ = 859025711040. Its totient is φ = 310316209920.

The previous prime is 550021827673. The next prime is 550021827721. The reversal of 550021827693 is 396728120055.

It is not a de Polignac number, because 550021827693 - 232 = 545726860397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550021827613) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 325905 + ... + 1098297.

It is an arithmetic number, because the mean of its divisors is an integer number (17896368980).

Almost surely, 2550021827693 is an apocalyptic number.

It is an amenable number.

550021827693 is a deficient number, since it is larger than the sum of its proper divisors (309003883347).

550021827693 is a wasteful number, since it uses less digits than its factorization.

550021827693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772490 (or 772459 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 48.

The spelling of 550021827693 in words is "five hundred fifty billion, twenty-one million, eight hundred twenty-seven thousand, six hundred ninety-three".

Divisors: 1 3 13 19 31 39 57 93 247 403 589 741 961 1209 1767 2883 7657 12493 18259 22971 37479 54777 237367 712101 772393 2317179 10041109 14675467 23944183 30123327 44026401 71832549 190781071 311274379 454939477 572343213 742269673 933823137 1364818431 2226809019 5914213201 9649505749 14103123787 17742639603 28948517247 42309371361 183340609231 550021827693