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2120142201 = 3706714067
BaseRepresentation
bin111111001011110…
…1100110101111001
312110202102101100020
41332113230311321
513320224022301
6550214001053
7103352624412
oct17627546571
95422371306
102120142201
11998846241
124b2046189
1327a320c18
14161810809
15c61e5436
hex7e5ecd79

2120142201 has 4 divisors (see below), whose sum is σ = 2826856272. Its totient is φ = 1413428132.

The previous prime is 2120142181. The next prime is 2120142209. The reversal of 2120142201 is 1022410212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2120142201 is a prime.

It is a super-2 number, since 2×21201422012 = 8990005904922248802, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2120142209) 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, 353357031 + ... + 353357036.

It is an arithmetic number, because the mean of its divisors is an integer number (706714068).

Almost surely, 22120142201 is an apocalyptic number.

It is an amenable number.

2120142201 is a deficient number, since it is larger than the sum of its proper divisors (706714071).

2120142201 is an equidigital number, since it uses as much as digits as its factorization.

2120142201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706714070.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2120142201 is about 46045.0019111738. The cubic root of 2120142201 is about 1284.6603796971.

Adding to 2120142201 its reverse (1022410212), we get a palindrome (3142552413).

The spelling of 2120142201 in words is "two billion, one hundred twenty million, one hundred forty-two thousand, two hundred one".

Divisors: 1 3 706714067 2120142201