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505406452069876 = 227171995335569149
BaseRepresentation
bin111001011101010100001110…
…0000010101111010111110100
32110021111101101121222020210111
41302322220130002233113310
51012221034403212214001
64550524304020432404
7211312261014336310
oct16272503402572764
92407441347866714
10505406452069876
11137046744302285
12488271a6248704
1318901815a04bc6
148cb3b34c50b40
153d66bad19c851
hex1cbaa1c0af5f4

505406452069876 has 48 divisors (see below), whose sum is σ = 1075650740640000. Its totient is φ = 202836996730368.

The previous prime is 505406452069811. The next prime is 505406452069877. The reversal of 505406452069876 is 678960254604505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505406452069877) 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, 2667689851 + ... + 2667879298.

It is an arithmetic number, because the mean of its divisors is an integer number (22409390430000).

Almost surely, 2505406452069876 is an apocalyptic number.

It is an amenable number.

505406452069876 is an abundant number, since it is smaller than the sum of its proper divisors (570244288570124).

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

505406452069876 is a wasteful number, since it uses less digits than its factorization.

505406452069876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5335569376 (or 5335569374 counting only the distinct ones).

The product of its (nonzero) digits is 435456000, while the sum is 67.

The spelling of 505406452069876 in words is "five hundred five trillion, four hundred six billion, four hundred fifty-two million, sixty-nine thousand, eight hundred seventy-six".

Divisors: 1 2 4 7 14 17 28 34 68 119 199 238 398 476 796 1393 2786 3383 5572 6766 13532 23681 47362 94724 5335569149 10671138298 21342276596 37348984043 74697968086 90704675533 149395936172 181409351066 362818702132 634932728731 1061778260651 1269865457462 2123556521302 2539730914924 4247113042604 7432447824557 14864895649114 18050230431067 29729791298228 36100460862134 72200921724268 126351613017469 252703226034938 505406452069876