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105312620307 = 3241145660609
BaseRepresentation
bin110001000010100011…
…1110000111100010011
3101001211102021102020210
41202011013300330103
53211140012322212
6120214022535203
710415513334306
oct1420507607423
9331742242223
10105312620307
11407322573a4
12184b0b97503
139c1436755b
14515085cb3d
152b1584453c
hex18851f0f13

105312620307 has 8 divisors (see below), whose sum is σ = 140999470480. Its totient is φ = 69917091840.

The previous prime is 105312620299. The next prime is 105312620351. The reversal of 105312620307 is 703026213501.

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

It is not a de Polignac number, because 105312620307 - 23 = 105312620299 is a prime.

It is a super-2 number, since 2×1053126203072 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105312620107) by changing a digit.

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, 72829582 + ... + 72831027.

It is an arithmetic number, because the mean of its divisors is an integer number (17624933810).

Almost surely, 2105312620307 is an apocalyptic number.

105312620307 is a deficient number, since it is larger than the sum of its proper divisors (35686850173).

105312620307 is a wasteful number, since it uses less digits than its factorization.

105312620307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145660853.

The product of its (nonzero) digits is 7560, while the sum is 30.

Adding to 105312620307 its reverse (703026213501), we get a palindrome (808338833808).

The spelling of 105312620307 in words is "one hundred five billion, three hundred twelve million, six hundred twenty thousand, three hundred seven".

Divisors: 1 3 241 723 145660609 436981827 35104206769 105312620307