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2102144433 = 31329152721
BaseRepresentation
bin111110101001100…
…0010110110110001
312102111120000001020
41331103002312301
513301122110213
6544332130053
7103043634654
oct17523026661
95374500036
102102144433
11989673254
124a8006929
1327668bc5c
1415d28789b
15c483c923
hex7d4c2db1

2102144433 has 8 divisors (see below), whose sum is σ = 2803123296. Its totient is φ = 1401297600.

The previous prime is 2102144393. The next prime is 2102144437. The reversal of 2102144433 is 3344412012.

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

It is a de Polignac number, because none of the positive numbers 2k-2102144433 is a prime.

It is a super-2 number, since 2×21021444332 = 8838022434385782978, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2102144437) 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, 13513 + ... + 66233.

It is an arithmetic number, because the mean of its divisors is an integer number (350390412).

Almost surely, 22102144433 is an apocalyptic number.

It is an amenable number.

2102144433 is a deficient number, since it is larger than the sum of its proper divisors (700978863).

2102144433 is a wasteful number, since it uses less digits than its factorization.

2102144433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66015.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 2102144433 is about 45849.1486616709. The cubic root of 2102144433 is about 1281.0149081637.

Adding to 2102144433 its reverse (3344412012), we get a palindrome (5446556445).

The spelling of 2102144433 in words is "two billion, one hundred two million, one hundred forty-four thousand, four hundred thirty-three".

Divisors: 1 3 13291 39873 52721 158163 700714811 2102144433