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421754320711882 = 21491415282955409
BaseRepresentation
bin101111111100101010101010…
…0011101111111000011001010
32001022022022121202122112002101
41133321111110131333003022
5420240010322100240012
64052555132110224014
7154556513143661224
oct13771252435770312
92038268552575071
10421754320711882
11112425003a25034
123b3769907b500a
13151443531c8902
1476210376dd414
1533b5be764dd57
hex17f955477f0ca

421754320711882 has 8 divisors (see below), whose sum is σ = 636877329934500. Its totient is φ = 209461877400384.

The previous prime is 421754320711837. The next prime is 421754320711897. The reversal of 421754320711882 is 288117023457124.

It can be written as a sum of positive squares in 2 ways, for example, as 417761673329961 + 3992647381921 = 20439219^2 + 1998161^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 707641477407 + ... + 707641478002.

Almost surely, 2421754320711882 is an apocalyptic number.

421754320711882 is a deficient number, since it is larger than the sum of its proper divisors (215123009222618).

421754320711882 is a wasteful number, since it uses less digits than its factorization.

421754320711882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415282955560.

The product of its (nonzero) digits is 6021120, while the sum is 55.

The spelling of 421754320711882 in words is "four hundred twenty-one trillion, seven hundred fifty-four billion, three hundred twenty million, seven hundred eleven thousand, eight hundred eighty-two".

Divisors: 1 2 149 298 1415282955409 2830565910818 210877160355941 421754320711882