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5205250215 = 335113505219
BaseRepresentation
bin1001101100100000…
…11101000010100111
3111102202121002221000
410312100131002213
541130021001330
62220302324343
7242663616414
oct46620350247
914382532830
105205250215
112231256590
1210132896b3
1364c533819
1437544d10b
15206e9b560
hex13641d0a7

5205250215 has 32 divisors (see below), whose sum is σ = 10095033600. Its totient is φ = 2523756960.

The previous prime is 5205250189. The next prime is 5205250217. The reversal of 5205250215 is 5120525025.

5205250215 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5205250215 - 219 = 5204725927 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5205250217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1751125 + ... + 1754094.

It is an arithmetic number, because the mean of its divisors is an integer number (315469800).

Almost surely, 25205250215 is an apocalyptic number.

5205250215 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5205250215 is a deficient number, since it is larger than the sum of its proper divisors (4889783385).

5205250215 is a wasteful number, since it uses less digits than its factorization.

5205250215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3505244 (or 3505238 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 5205250215 is about 72147.4200162417. The cubic root of 5205250215 is about 1733.0610839873.

The spelling of 5205250215 in words is "five billion, two hundred five million, two hundred fifty thousand, two hundred fifteen".

Divisors: 1 3 5 9 11 15 27 33 45 55 99 135 165 297 495 1485 3505219 10515657 17526095 31546971 38557409 52578285 94640913 115672227 157734855 192787045 347016681 473204565 578361135 1041050043 1735083405 5205250215