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105115254415 = 537013567991
BaseRepresentation
bin110000111100101011…
…0110111111010001111
3101001022122220012010221
41201321112313322033
53210234001120130
6120142252412211
710410565630453
oct1417126677217
9331278805127
10105115254415
1140640903496
1218456a77067
139bb24c31c2
145132564663
152b0335a87a
hex18795b7e8f

105115254415 has 8 divisors (see below), whose sum is σ = 126141935328. Its totient is φ = 84089783520.

The previous prime is 105115254359. The next prime is 105115254487. The reversal of 105115254415 is 514452511501.

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

It is not a de Polignac number, because 105115254415 - 211 = 105115252367 is a prime.

It is a super-2 number, since 2×1051152544152 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98931 + ... + 469060.

It is an arithmetic number, because the mean of its divisors is an integer number (15767741916).

Almost surely, 2105115254415 is an apocalyptic number.

105115254415 is a deficient number, since it is larger than the sum of its proper divisors (21026680913).

105115254415 is an equidigital number, since it uses as much as digits as its factorization.

105115254415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605009.

The product of its (nonzero) digits is 20000, while the sum is 34.

Adding to 105115254415 its reverse (514452511501), we get a palindrome (619567765916).

The spelling of 105115254415 in words is "one hundred five billion, one hundred fifteen million, two hundred fifty-four thousand, four hundred fifteen".

Divisors: 1 5 37013 185065 567991 2839955 21023050883 105115254415