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105051252505 = 542923489487
BaseRepresentation
bin110000111010110001…
…0101110011100011001
3101001011012110120000211
41201311202232130121
53210121110040010
6120132044531121
710406160625123
oct1416542563431
9331135416024
10105051252505
1140608769951
1218439550aa1
139ba2174854
145127c64213
152aec91708a
hex18758ae719

105051252505 has 8 divisors (see below), whose sum is σ = 126064697472. Its totient is φ = 84038872368.

The previous prime is 105051252473. The next prime is 105051252547. The reversal of 105051252505 is 505252150501.

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

It is a cyclic number.

It is not a de Polignac number, because 105051252505 - 25 = 105051252473 is a prime.

It is a super-2 number, since 2×1050512525052 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30129 + ... + 459358.

It is an arithmetic number, because the mean of its divisors is an integer number (15758087184).

Almost surely, 2105051252505 is an apocalyptic number.

It is an amenable number.

105051252505 is a deficient number, since it is larger than the sum of its proper divisors (21013444967).

105051252505 is an equidigital number, since it uses as much as digits as its factorization.

105051252505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532415.

The product of its (nonzero) digits is 12500, while the sum is 31.

The spelling of 105051252505 in words is "one hundred five billion, fifty-one million, two hundred fifty-two thousand, five hundred five".

Divisors: 1 5 42923 214615 489487 2447435 21010250501 105051252505