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7106984208 = 243249354057
BaseRepresentation
bin1101001111001101…
…11111100100010000
3200100022001012112100
412213212333210100
5104023341443313
63133115200400
7341055240402
oct64746774420
920308035470
107106984208
113017786475
121464146100
138935236cc
144b5c48b72
152b8ded173
hex1a79bf910

7106984208 has 30 divisors (see below), whose sum is σ = 19889685374. Its totient is φ = 2368994688.

The previous prime is 7106984207. The next prime is 7106984243. The reversal of 7106984208 is 8024896017.

It can be written as a sum of positive squares in only one way, i.e., 6462230544 + 644753664 = 80388^2 + 25392^2 .

It is a super-3 number, since 3×71069842083 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (7106984207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24676885 + ... + 24677172.

Almost surely, 27106984208 is an apocalyptic number.

It is an amenable number.

7106984208 is an abundant number, since it is smaller than the sum of its proper divisors (12782701166).

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

7106984208 is a wasteful number, since it uses less digits than its factorization.

7106984208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49354071 (or 49354062 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 7106984208 is about 84302.9311945913. The cubic root of 7106984208 is about 1922.6273535752.

The spelling of 7106984208 in words is "seven billion, one hundred six million, nine hundred eighty-four thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 49354057 98708114 148062171 197416228 296124342 394832456 444186513 592248684 789664912 888373026 1184497368 1776746052 2368994736 3553492104 7106984208