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2120411144 = 23733630841
BaseRepresentation
bin111111001100010…
…1110100000001000
312110202221001021002
41332120232200020
513320311124034
6550223434132
7103355124455
oct17630564010
95422831232
102120411144
11998a0a305
124b2155948
1327a3b6467
1416188082c
15c6249e7e
hex7e62e808

2120411144 has 16 divisors (see below), whose sum is σ = 4030234620. Its totient is φ = 1045681920.

The previous prime is 2120411143. The next prime is 2120411171. The reversal of 2120411144 is 4411140212.

It can be written as a sum of positive squares in 2 ways, for example, as 1817999044 + 302412100 = 42638^2 + 17390^2 .

It is a super-2 number, since 2×21204111442 = 8992286839198777472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2120411143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1814837 + ... + 1816004.

Almost surely, 22120411144 is an apocalyptic number.

It is an amenable number.

2120411144 is a deficient number, since it is larger than the sum of its proper divisors (1909823476).

2120411144 is a wasteful number, since it uses less digits than its factorization.

2120411144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3630920 (or 3630916 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 2120411144 is about 46047.9222549726. The cubic root of 2120411144 is about 1284.7146977216.

Adding to 2120411144 its reverse (4411140212), we get a palindrome (6531551356).

The spelling of 2120411144 in words is "two billion, one hundred twenty million, four hundred eleven thousand, one hundred forty-four".

Divisors: 1 2 4 8 73 146 292 584 3630841 7261682 14523364 29046728 265051393 530102786 1060205572 2120411144