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421754320711774 = 216734928729125941
BaseRepresentation
bin101111111100101010101010…
…0011101111111000001011110
32001022022022121202122111221101
41133321111110131333001132
5420240010322100234044
64052555132110223314
7154556513143661011
oct13771252435770136
92038268552574841
10421754320711774
11112425003a24a46
123b3769907b4b3a
13151443531c884b
1476210376dd378
1533b5be764dcd4
hex17f955477f05e

421754320711774 has 32 divisors (see below), whose sum is σ = 638270529624000. Its totient is φ = 209004873557760.

The previous prime is 421754320711769. The next prime is 421754320711837. The reversal of 421754320711774 is 477117023457124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3348761644 + ... + 3348887584.

It is an arithmetic number, because the mean of its divisors is an integer number (19945954050750).

Almost surely, 2421754320711774 is an apocalyptic number.

421754320711774 is a deficient number, since it is larger than the sum of its proper divisors (216516208912226).

421754320711774 is a wasteful number, since it uses less digits than its factorization.

421754320711774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155188.

The product of its (nonzero) digits is 9219840, while the sum is 55.

The spelling of 421754320711774 in words is "four hundred twenty-one trillion, seven hundred fifty-four billion, three hundred twenty million, seven hundred eleven thousand, seven hundred seventy-four".

Divisors: 1 2 167 334 349 698 28729 57458 58283 116566 125941 251882 4797743 9595486 10026421 20052842 21032147 42064294 43953409 87906818 1674412307 3348824614 3618158989 7236317978 7340219303 14680438606 604232551163 1208465102326 1262737487161 2525474974322 210877160355887 421754320711774