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105400632905 = 5106319830787
BaseRepresentation
bin110001000101001011…
…1100000011001001001
3101002001112212220211122
41202022113200121021
53211330030223110
6120230445205025
710420632411641
oct1421227403111
9332045786748
10105400632905
1140777a00587
1218516560775
139c29671a09
14515c40d521
152b1d42c255
hex188a5e0649

105400632905 has 8 divisors (see below), whose sum is σ = 126599750592. Its totient is φ = 84241178928.

The previous prime is 105400632881. The next prime is 105400632929. The reversal of 105400632905 is 509236004501.

It is an interprime number because it is at equal distance from previous prime (105400632881) and next prime (105400632929).

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 105400632905 - 226 = 105333524041 is a prime.

It is a super-2 number, since 2×1054006329052 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9910079 + ... + 9920708.

It is an arithmetic number, because the mean of its divisors is an integer number (15824968824).

Almost surely, 2105400632905 is an apocalyptic number.

It is an amenable number.

105400632905 is a deficient number, since it is larger than the sum of its proper divisors (21199117687).

105400632905 is a wasteful number, since it uses less digits than its factorization.

105400632905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19831855.

The product of its (nonzero) digits is 32400, while the sum is 35.

The spelling of 105400632905 in words is "one hundred five billion, four hundred million, six hundred thirty-two thousand, nine hundred five".

Divisors: 1 5 1063 5315 19830787 99153935 21080126581 105400632905