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2143225213 = 19757149011
BaseRepresentation
bin111111110111111…
…0000010101111101
312112100212010021121
41333233300111331
513342131201323
6552400430541
7104053054003
oct17757602575
95470763247
102143225213
119aa881908
124b9918451
132820436cc
141648dca73
15c8254a5d
hex7fbf057d

2143225213 has 8 divisors (see below), whose sum is σ = 2259021920. Its totient is φ = 2027728080.

The previous prime is 2143225199. The next prime is 2143225229. The reversal of 2143225213 is 3125223412.

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 2143225213 - 225 = 2109670781 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 (2143225243) 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, 60123 + ... + 88888.

It is an arithmetic number, because the mean of its divisors is an integer number (282377740).

Almost surely, 22143225213 is an apocalyptic number.

It is an amenable number.

2143225213 is a deficient number, since it is larger than the sum of its proper divisors (115796707).

2143225213 is a wasteful number, since it uses less digits than its factorization.

2143225213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149787.

The product of its digits is 2880, while the sum is 25.

The square root of 2143225213 is about 46294.9804298479. The cubic root of 2143225213 is about 1289.3058005993.

Adding to 2143225213 its reverse (3125223412), we get a palindrome (5268448625).

The spelling of 2143225213 in words is "two billion, one hundred forty-three million, two hundred twenty-five thousand, two hundred thirteen".

Divisors: 1 19 757 14383 149011 2831209 112801327 2143225213