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5200021455 = 351720392241
BaseRepresentation
bin1001101011111001…
…00000011111001111
3111102101202110102020
410311330200133033
541122201141310
62215554301223
7242601311256
oct46574403717
914371673366
105200021455
1122293050a2
121011587813
1364b422895
1437488b79d
152067b7170
hex135f207cf

5200021455 has 16 divisors (see below), whose sum is σ = 8809448544. Its totient is φ = 2610206720.

The previous prime is 5200021427. The next prime is 5200021481. The reversal of 5200021455 is 5541200025.

It is a happy number.

It is not a de Polignac number, because 5200021455 - 28 = 5200021199 is a prime.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 10195866 + ... + 10196375.

It is an arithmetic number, because the mean of its divisors is an integer number (550590534).

Almost surely, 25200021455 is an apocalyptic number.

5200021455 is a deficient number, since it is larger than the sum of its proper divisors (3609427089).

5200021455 is a wasteful number, since it uses less digits than its factorization.

5200021455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20392266.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 5200021455 is about 72111.1742727852. The cubic root of 5200021455 is about 1732.4805933913.

The spelling of 5200021455 in words is "five billion, two hundred million, twenty-one thousand, four hundred fifty-five".

Divisors: 1 3 5 15 17 51 85 255 20392241 61176723 101961205 305883615 346668097 1040004291 1733340485 5200021455