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2101384445 = 53113557319
BaseRepresentation
bin111110101000000…
…1001010011111101
312102110010101112112
41331100021103331
513300423300240
6544303543405
7103034321156
oct17520112375
95373111475
102101384445
119891a4266
124a78bab65
13276484064
1415d12a92d
15c473c665
hex7d4094fd

2101384445 has 8 divisors (see below), whose sum is σ = 2603005440. Its totient is φ = 1626878160.

The previous prime is 2101384409. The next prime is 2101384447. The reversal of 2101384445 is 5444831012.

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

It is not a de Polignac number, because 2101384445 - 228 = 1832948989 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101384447) 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, 6778505 + ... + 6778814.

It is an arithmetic number, because the mean of its divisors is an integer number (325375680).

Almost surely, 22101384445 is an apocalyptic number.

It is an amenable number.

2101384445 is a deficient number, since it is larger than the sum of its proper divisors (501620995).

2101384445 is a wasteful number, since it uses less digits than its factorization.

2101384445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13557355.

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 2101384445 is about 45840.8599941144. The cubic root of 2101384445 is about 1280.8605145059.

The spelling of 2101384445 in words is "two billion, one hundred one million, three hundred eighty-four thousand, four hundred forty-five".

Divisors: 1 5 31 155 13557319 67786595 420276889 2101384445