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7030189920 = 2535133136343
BaseRepresentation
bin1101000110000100…
…00010111101100000
3200010221112122120110
412203002002331200
5103344212034140
63121333211320
7336133425345
oct64302027540
920127478513
107030189920
112a883a4816
121442490b40
138806464c0
144a99787cc
152b22ce380
hex1a3082f60

7030189920 has 192 divisors, whose sum is σ = 24618553344. Its totient is φ = 1674639360.

The previous prime is 7030189909. The next prime is 7030189931. The reversal of 7030189920 is 299810307.

It is an interprime number because it is at equal distance from previous prime (7030189909) and next prime (7030189931).

It is a super-2 number, since 2×70301899202 = 98847140622539212800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 175269 + ... + 211611.

It is an arithmetic number, because the mean of its divisors is an integer number (128221632).

Almost surely, 27030189920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7030189920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12309276672).

7030189920 is an abundant number, since it is smaller than the sum of its proper divisors (17588363424).

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

7030189920 is a wasteful number, since it uses less digits than its factorization.

7030189920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36405 (or 36397 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 7030189920 is about 83846.2278221269. The cubic root of 7030189920 is about 1915.6772977090.

The spelling of 7030189920 in words is "seven billion, thirty million, one hundred eighty-nine thousand, nine hundred twenty".