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105630672909 = 336979523999
BaseRepresentation
bin110001001100000010…
…1000010100000001101
3101002122120202011101210
41202120011002200031
53212312423013114
6120305343525033
710426424622336
oct1423005024015
9332576664353
10105630672909
1140885840a93
121857b5b9779
139c65216268
145180bb128d
152b3371c259
hex189814280d

105630672909 has 8 divisors (see below), whose sum is σ = 140879008000. Its totient is φ = 70401393216.

The previous prime is 105630672883. The next prime is 105630672929. The reversal of 105630672909 is 909276036501.

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

It is not a de Polignac number, because 105630672909 - 212 = 105630668813 is a prime.

It is a super-2 number, since 2×1056306729092 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105630672929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4750909 + ... + 4773090.

It is an arithmetic number, because the mean of its divisors is an integer number (17609876000).

Almost surely, 2105630672909 is an apocalyptic number.

It is an amenable number.

105630672909 is a deficient number, since it is larger than the sum of its proper divisors (35248335091).

105630672909 is an equidigital number, since it uses as much as digits as its factorization.

105630672909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9527699.

The product of its (nonzero) digits is 612360, while the sum is 48.

The spelling of 105630672909 in words is "one hundred five billion, six hundred thirty million, six hundred seventy-two thousand, nine hundred nine".

Divisors: 1 3 3697 11091 9523999 28571997 35210224303 105630672909