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5255207155 = 51195549221
BaseRepresentation
bin1001110010011110…
…00001100011110011
3111120020121011222001
410321033001203303
541230313112110
62225245154431
7244141344442
oct47117014363
914506534861
105255207155
112257477a10
121027b5ba17
136599a5443
1437bd34d59
1520b56863a
hex1393c18f3

5255207155 has 8 divisors (see below), whose sum is σ = 6879543984. Its totient is φ = 3821968800.

The previous prime is 5255207143. The next prime is 5255207173. The reversal of 5255207155 is 5517025525.

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

It is a de Polignac number, because none of the positive numbers 2k-5255207155 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 47774556 + ... + 47774665.

It is an arithmetic number, because the mean of its divisors is an integer number (859942998).

Almost surely, 25255207155 is an apocalyptic number.

5255207155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5255207155 is a deficient number, since it is larger than the sum of its proper divisors (1624336829).

5255207155 is a wasteful number, since it uses less digits than its factorization.

5255207155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95549237.

The product of its (nonzero) digits is 87500, while the sum is 37.

The square root of 5255207155 is about 72492.8076087552. The cubic root of 5255207155 is about 1738.5877424005.

The spelling of 5255207155 in words is "five billion, two hundred fifty-five million, two hundred seven thousand, one hundred fifty-five".

Divisors: 1 5 11 55 95549221 477746105 1051041431 5255207155