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108930144434 = 254465072217
BaseRepresentation
bin110010101110010111…
…1100001100010110010
3101102011112021200102212
41211130233201202302
53241042104110214
6122013011012122
710604250644006
oct1453457414262
9342145250385
10108930144434
1142219254861
121914059a042
13a36c971b87
1453b5090706
152c7821853e
hex195cbe18b2

108930144434 has 4 divisors (see below), whose sum is σ = 163395216654. Its totient is φ = 54465072216.

The previous prime is 108930144413. The next prime is 108930144467. The reversal of 108930144434 is 434441039801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 434441039801 = 1544328131907.

It can be written as a sum of positive squares in only one way, i.e., 98782604209 + 10147540225 = 314297^2 + 100735^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 108930144391 and 108930144400.

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 as a sum of consecutive naturals, namely, 27232536107 + ... + 27232536110.

Almost surely, 2108930144434 is an apocalyptic number.

108930144434 is a deficient number, since it is larger than the sum of its proper divisors (54465072220).

108930144434 is an equidigital number, since it uses as much as digits as its factorization.

108930144434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54465072219.

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 108930144434 in words is "one hundred eight billion, nine hundred thirty million, one hundred forty-four thousand, four hundred thirty-four".

Divisors: 1 2 54465072217 108930144434