Search a number
-
+
1669347484684 = 221127148578381
BaseRepresentation
bin11000010010101100110…
…111010010010000001100
312220120212200210201002221
4120102230313102100030
5204322310424002214
63314515422025124
7231414662332465
oct30225467222014
95816780721087
101669347484684
11593a6a154100
1222b6451181a4
13c155a118849
145ab227a9d6c
152d6547a1e24
hex184acdd240c

1669347484684 has 36 divisors (see below), whose sum is σ = 3256306102224. Its totient is φ = 748107052000.

The previous prime is 1669347484667. The next prime is 1669347484687. The reversal of 1669347484684 is 4864847439661.

It is a happy number.

It is a super-2 number, since 2×16693474846842 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1669347484687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24254827 + ... + 24323554.

It is an arithmetic number, because the mean of its divisors is an integer number (90452947284).

Almost surely, 21669347484684 is an apocalyptic number.

It is an amenable number.

1669347484684 is a deficient number, since it is larger than the sum of its proper divisors (1586958617540).

1669347484684 is a wasteful number, since it uses less digits than its factorization.

1669347484684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48578478 (or 48578465 counting only the distinct ones).

The product of its digits is 668860416, while the sum is 70.

The spelling of 1669347484684 in words is "one trillion, six hundred sixty-nine billion, three hundred forty-seven million, four hundred eighty-four thousand, six hundred eighty-four".

Divisors: 1 2 4 11 22 44 71 121 142 242 284 484 781 1562 3124 8591 17182 34364 48578381 97156762 194313524 534362191 1068724382 2137448764 3449065051 5877984101 6898130102 11755968202 13796260204 23511936404 37939715561 75879431122 151758862244 417336871171 834673742342 1669347484684