Search a number
-
+
84107469221 = 1372774435003
BaseRepresentation
bin100111001010100110…
…0100010000110100101
322001002121001010111122
41032111030202012211
52334223003003341
6102345522543325
76035155456346
oct1162514420645
9261077033448
1084107469221
1132740523546
1214373507b45
137c150b3989
1440dc4a60cd
1522c3dc194b
hex13953221a5

84107469221 has 16 divisors (see below), whose sum is σ = 85236214464. Its totient is φ = 82987741824.

The previous prime is 84107469203. The next prime is 84107469227. The reversal of 84107469221 is 12296470148.

It is a cyclic number.

It is not a de Polignac number, because 84107469221 - 226 = 84040360357 is a prime.

It is a super-2 number, since 2×841074692212 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84107469227) 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, 16808906 + ... + 16813908.

It is an arithmetic number, because the mean of its divisors is an integer number (5327263404).

Almost surely, 284107469221 is an apocalyptic number.

It is an amenable number.

84107469221 is a deficient number, since it is larger than the sum of its proper divisors (1128745243).

84107469221 is a wasteful number, since it uses less digits than its factorization.

84107469221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5860.

The product of its (nonzero) digits is 193536, while the sum is 44.

The spelling of 84107469221 in words is "eighty-four billion, one hundred seven million, four hundred sixty-nine thousand, two hundred twenty-one".

Divisors: 1 137 277 443 5003 37949 60691 122711 685411 1385831 2216329 16811407 189858847 303637073 613923133 84107469221