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16741666660420 = 2251364391025617
BaseRepresentation
bin1111001110011111100100…
…0110000010000001000100
32012021111011112102212020201
43303213321012002001010
54143243413131113140
655335003202340244
73345355051430212
oct363477106020104
965244145385221
1016741666660420
115375112414809
121a6479235a684
1394596a0accb0
1441c42dcb7cb2
151e0750e3549a
hexf39f9182044

16741666660420 has 24 divisors (see below), whose sum is σ = 37861923063384. Its totient is φ = 6181538459136.

The previous prime is 16741666660403. The next prime is 16741666660427. The reversal of 16741666660420 is 2406666614761.

It can be written as a sum of positive squares in 4 ways, for example, as 882220618756 + 15859446041664 = 939266^2 + 3982392^2 .

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (16741666660427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32195512549 + ... + 32195513068.

It is an arithmetic number, because the mean of its divisors is an integer number (1577580127641).

Almost surely, 216741666660420 is an apocalyptic number.

16741666660420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16741666660420 is an abundant number, since it is smaller than the sum of its proper divisors (21120256402964).

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

16741666660420 is a wasteful number, since it uses less digits than its factorization.

16741666660420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64391025639 (or 64391025637 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 55.

The spelling of 16741666660420 in words is "sixteen trillion, seven hundred forty-one billion, six hundred sixty-six million, six hundred sixty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 64391025617 128782051234 257564102468 321955128085 643910256170 837083333021 1287820512340 1674166666042 3348333332084 4185416665105 8370833330210 16741666660420