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5123003215 = 511111783389
BaseRepresentation
bin1001100010101101…
…01101001101001111
3111020000211112020211
410301112231031033
540442442100330
62204203423251
7240644544301
oct46126551517
914200745224
105123003215
112199890160
12bab824b27
13638497765
1436855d971
151eeb51d2a
hex1315ad34f

5123003215 has 16 divisors (see below), whose sum is σ = 6712561440. Its totient is φ = 3722440320.

The previous prime is 5123003213. The next prime is 5123003219.

5123003215 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5123003215 - 21 = 5123003213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5123003213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19741 + ... + 103129.

It is an arithmetic number, because the mean of its divisors is an integer number (419535090).

Almost surely, 25123003215 is an apocalyptic number.

5123003215 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5123003215 is a deficient number, since it is larger than the sum of its proper divisors (1589558225).

5123003215 is a wasteful number, since it uses less digits than its factorization.

5123003215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84522.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 5123003215 is about 71575.1578063227. The cubic root of 5123003215 is about 1723.8846773338.

It can be divided in two parts, 512300 and 3215, that added together give a palindrome (515515).

The spelling of 5123003215 in words is "five billion, one hundred twenty-three million, three thousand, two hundred fifteen".

Divisors: 1 5 11 55 1117 5585 12287 61435 83389 416945 917279 4586395 93145513 465727565 1024600643 5123003215