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7889416244 = 222968012209
BaseRepresentation
bin1110101100011111…
…01111000000110100
3202100211022212111122
413112033233000310
5112124142304434
63342505323112
7366335634353
oct72617570064
922324285448
107889416244
113389408216
121642196498
13989665148
1454bb1d99a
15312954c2e
hex1d63ef034

7889416244 has 12 divisors (see below), whose sum is σ = 14282564100. Its totient is φ = 3808683648.

The previous prime is 7889416237. The next prime is 7889416261. The reversal of 7889416244 is 4426149887.

It can be written as a sum of positive squares in 2 ways, for example, as 2478048400 + 5411367844 = 49780^2 + 73562^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34005989 + ... + 34006220.

It is an arithmetic number, because the mean of its divisors is an integer number (1190213675).

Almost surely, 27889416244 is an apocalyptic number.

It is an amenable number.

7889416244 is a deficient number, since it is larger than the sum of its proper divisors (6393147856).

7889416244 is a wasteful number, since it uses less digits than its factorization.

7889416244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68012242 (or 68012240 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 53.

The square root of 7889416244 is about 88822.3859395817. The cubic root of 7889416244 is about 1990.7418968913.

The spelling of 7889416244 in words is "seven billion, eight hundred eighty-nine million, four hundred sixteen thousand, two hundred forty-four".

Divisors: 1 2 4 29 58 116 68012209 136024418 272048836 1972354061 3944708122 7889416244