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2120424401 = 101199105499
BaseRepresentation
bin111111001100011…
…0001101111010001
312110202221201110002
41332120301233101
513320312040101
6550224015345
7103355211224
oct17630615721
95422851402
102120424401
11998a19267
124b2161555
1327a3bc4c4
141618855bb
15c624dd6b
hex7e631bd1

2120424401 has 8 divisors (see below), whose sum is σ = 2152200000. Its totient is φ = 2088860400.

The previous prime is 2120424367. The next prime is 2120424403. The reversal of 2120424401 is 1044240212.

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 2120424401 - 26 = 2120424337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120424403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32651 + ... + 72848.

It is an arithmetic number, because the mean of its divisors is an integer number (269025000).

Almost surely, 22120424401 is an apocalyptic number.

It is an amenable number.

2120424401 is a deficient number, since it is larger than the sum of its proper divisors (31775599).

2120424401 is a wasteful number, since it uses less digits than its factorization.

2120424401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105799.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 2120424401 is about 46048.0662026105. The cubic root of 2120424401 is about 1284.7173750998.

Adding to 2120424401 its reverse (1044240212), we get a palindrome (3164664613).

The spelling of 2120424401 in words is "two billion, one hundred twenty million, four hundred twenty-four thousand, four hundred one".

Divisors: 1 101 199 20099 105499 10655399 20994301 2120424401