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7145322984 = 233411026733
BaseRepresentation
bin1101010011110010…
…01111100111101000
3200102222012000110000
412221321033213220
5104113200313414
63141005023000
7342032146302
oct65171174750
920388160400
107145322984
113037391a08
121474b54a60
1389b458087
144bad88972
152bc472b09
hex1a9e4f9e8

7145322984 has 40 divisors (see below), whose sum is σ = 20013522210. Its totient is φ = 2381774112.

The previous prime is 7145322949. The next prime is 7145323049. The reversal of 7145322984 is 4892235417.

7145322984 is a `hidden beast` number, since 7 + 14 + 532 + 29 + 84 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7069110084 + 76212900 = 84078^2 + 8730^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5512719 + ... + 5514014.

Almost surely, 27145322984 is an apocalyptic number.

It is an amenable number.

7145322984 is an abundant number, since it is smaller than the sum of its proper divisors (12868199226).

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

7145322984 is a wasteful number, since it uses less digits than its factorization.

7145322984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11026751 (or 11026738 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 7145322984 is about 84530.0123269836. The cubic root of 7145322984 is about 1926.0783733793.

The spelling of 7145322984 in words is "seven billion, one hundred forty-five million, three hundred twenty-two thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 162 216 324 648 11026733 22053466 33080199 44106932 66160398 88213864 99240597 132320796 198481194 264641592 297721791 396962388 595443582 793924776 893165373 1190887164 1786330746 2381774328 3572661492 7145322984