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7190420653 = 132112621371
BaseRepresentation
bin1101011001001010…
…10001110010101101
3200120010001012211001
412230211101302231
5104211221430103
63145255400301
7343120365343
oct65445216255
920503035731
107190420653
11305a894509
121488083091
138a78b7ca0
144c2d67993
152c13d001d
hex1ac951cad

7190420653 has 8 divisors (see below), whose sum is σ = 7780232096. Its totient is φ = 6605852400.

The previous prime is 7190420647. The next prime is 7190420669. The reversal of 7190420653 is 3560240917.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-7190420653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7190420603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1307943 + ... + 1313428.

It is an arithmetic number, because the mean of its divisors is an integer number (972529012).

Almost surely, 27190420653 is an apocalyptic number.

It is an amenable number.

7190420653 is a deficient number, since it is larger than the sum of its proper divisors (589811443).

7190420653 is a wasteful number, since it uses less digits than its factorization.

7190420653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2621595.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 7190420653 is about 84796.3481112247. The cubic root of 7190420653 is about 1930.1220226751.

The spelling of 7190420653 in words is "seven billion, one hundred ninety million, four hundred twenty thousand, six hundred fifty-three".

Divisors: 1 13 211 2743 2621371 34077823 553109281 7190420653