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2143212054 = 23491727499
BaseRepresentation
bin111111110111110…
…1101001000010110
312112100211110020020
41333233231020112
513342130241204
6552400250010
7104053000434
oct17757551026
95470743206
102143212054
119aa872a35
124b9910906
1328203a719
141648d7d54
15c8250bd9
hex7fbed216

2143212054 has 16 divisors (see below), whose sum is σ = 4295160000. Its totient is φ = 712948040.

The previous prime is 2143212047. The next prime is 2143212089. The reversal of 2143212054 is 4502123412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360804 + ... + 366695.

It is an arithmetic number, because the mean of its divisors is an integer number (268447500).

Almost surely, 22143212054 is an apocalyptic number.

2143212054 is an abundant number, since it is smaller than the sum of its proper divisors (2151947946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2143212054 is a wasteful number, since it uses less digits than its factorization.

2143212054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727995.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2143212054 is about 46294.8383083903. The cubic root of 2143212054 is about 1289.3031618955.

Adding to 2143212054 its reverse (4502123412), we get a palindrome (6645335466).

The spelling of 2143212054 in words is "two billion, one hundred forty-three million, two hundred twelve thousand, fifty-four".

Divisors: 1 2 3 6 491 982 1473 2946 727499 1454998 2182497 4364994 357202009 714404018 1071606027 2143212054