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105130315 = 521026063
BaseRepresentation
bin1100100010000…
…10100101001011
321022211011200101
412101002211023
5203403132230
614233150231
72414410243
oct621024513
9238734611
10105130315
1154385a64
122b25b377
1318a1b9b4
14dd68b23
159369aca
hex644294b

105130315 has 4 divisors (see below), whose sum is σ = 126156384. Its totient is φ = 84104248.

The previous prime is 105130301. The next prime is 105130321. The reversal of 105130315 is 513031501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 513031501 = 1313916271.

It is a cyclic number.

It is not a de Polignac number, because 105130315 - 27 = 105130187 is a prime.

It is a super-2 number, since 2×1051303152 = 22104766263998450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105130292 and 105130301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10513027 + ... + 10513036.

It is an arithmetic number, because the mean of its divisors is an integer number (31539096).

Almost surely, 2105130315 is an apocalyptic number.

105130315 is a deficient number, since it is larger than the sum of its proper divisors (21026069).

105130315 is an equidigital number, since it uses as much as digits as its factorization.

105130315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21026068.

The product of its (nonzero) digits is 225, while the sum is 19.

The square root of 105130315 is about 10253.3075151387. The cubic root of 105130315 is about 471.9644875968.

Adding to 105130315 its reverse (513031501), we get a palindrome (618161816).

The spelling of 105130315 in words is "one hundred five million, one hundred thirty thousand, three hundred fifteen".

Divisors: 1 5 21026063 105130315