[go: up one dir, main page]

Search a number
-
+
2142035213 = 12716866419
BaseRepresentation
bin111111110101100…
…1101110100001101
312112021121122220112
41333223031310031
513341330111323
6552315125405
7104036666423
oct17753156415
95467548815
102142035213
119aa13983a
124b9443865
13281a17b76
141646ad113
15c80bc178
hex7facdd0d

2142035213 has 4 divisors (see below), whose sum is σ = 2158901760. Its totient is φ = 2125168668.

The previous prime is 2142035177. The next prime is 2142035221. The reversal of 2142035213 is 3125302412.

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 not a de Polignac number, because 2142035213 - 210 = 2142034189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142032213) 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, 8433083 + ... + 8433336.

It is an arithmetic number, because the mean of its divisors is an integer number (539725440).

Almost surely, 22142035213 is an apocalyptic number.

It is an amenable number.

2142035213 is a deficient number, since it is larger than the sum of its proper divisors (16866547).

2142035213 is a wasteful number, since it uses less digits than its factorization.

2142035213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16866546.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2142035213 is about 46282.1262800230. The cubic root of 2142035213 is about 1289.0671325795.

Adding to 2142035213 its reverse (3125302412), we get a palindrome (5267337625).

The spelling of 2142035213 in words is "two billion, one hundred forty-two million, thirty-five thousand, two hundred thirteen".

Divisors: 1 127 16866419 2142035213