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2143130001 = 31315453257
BaseRepresentation
bin111111110111101…
…1001000110010001
312112100200021200020
41333233121012101
513342120130001
6552354414053
7104052206265
oct17757310621
95470607606
102143130001
119aa817321
124b9891329
1328200c27c
141648b60a5
15c8236736
hex7fbd9191

2143130001 has 8 divisors (see below), whose sum is σ = 2879320224. Its totient is φ = 1417846560.

The previous prime is 2143129999. The next prime is 2143130029. The reversal of 2143130001 is 1000313412.

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

It is not a de Polignac number, because 2143130001 - 21 = 2143129999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2143130051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2726236 + ... + 2727021.

It is an arithmetic number, because the mean of its divisors is an integer number (359915028).

Almost surely, 22143130001 is an apocalyptic number.

It is an amenable number.

2143130001 is a deficient number, since it is larger than the sum of its proper divisors (736190223).

2143130001 is a wasteful number, since it uses less digits than its factorization.

2143130001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5453391.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2143130001 is about 46293.9520995994. The cubic root of 2143130001 is about 1289.2867080030.

Adding to 2143130001 its reverse (1000313412), we get a palindrome (3143443413).

The spelling of 2143130001 in words is "two billion, one hundred forty-three million, one hundred thirty thousand, one".

Divisors: 1 3 131 393 5453257 16359771 714376667 2143130001