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5210394805 = 571113533493
BaseRepresentation
bin1001101101001000…
…00101000010110101
3111110010021110222101
410312210011002311
541132330113210
62221004502101
7243055424260
oct46644050265
914403243871
105210394805
11223414a810
121014b4a931
13650615365
14375dcbcd7
15207665a3a
hex1369050b5

5210394805 has 16 divisors (see below), whose sum is σ = 7795292544. Its totient is φ = 3248038080.

The previous prime is 5210394793. The next prime is 5210394811. The reversal of 5210394805 is 5084930125.

It is not a de Polignac number, because 5210394805 - 215 = 5210362037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6766362 + ... + 6767131.

It is an arithmetic number, because the mean of its divisors is an integer number (487205784).

Almost surely, 25210394805 is an apocalyptic number.

5210394805 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5210394805 is a deficient number, since it is larger than the sum of its proper divisors (2584897739).

5210394805 is a wasteful number, since it uses less digits than its factorization.

5210394805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13533516.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 5210394805 is about 72183.0645304008. The cubic root of 5210394805 is about 1733.6318508500.

The spelling of 5210394805 in words is "five billion, two hundred ten million, three hundred ninety-four thousand, eight hundred five".

Divisors: 1 5 7 11 35 55 77 385 13533493 67667465 94734451 148868423 473672255 744342115 1042078961 5210394805