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2142754066 = 25320214661
BaseRepresentation
bin111111110110111…
…1101010100010010
312112022222011222201
41333231331110102
513342021112231
6552342353414
7104046052255
oct17755752422
95468864881
102142754066
119aa58a932
124b972b86a
13281c0a11b
1416481909c
15c81b0161
hex7fb7d512

2142754066 has 8 divisors (see below), whose sum is σ = 3274775244. Its totient is φ = 1051162320.

The previous prime is 2142754063. The next prime is 2142754079. The reversal of 2142754066 is 6604572412.

It can be written as a sum of positive squares in 2 ways, for example, as 2110024225 + 32729841 = 45935^2 + 5721^2 .

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

It is a super-3 number, since 3×21427540663 (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2142754063) 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, 10107225 + ... + 10107436.

Almost surely, 22142754066 is an apocalyptic number.

2142754066 is a deficient number, since it is larger than the sum of its proper divisors (1132021178).

2142754066 is a wasteful number, since it uses less digits than its factorization.

2142754066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20214716.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 2142754066 is about 46289.8916179332. The cubic root of 2142754066 is about 1289.2113172829.

The spelling of 2142754066 in words is "two billion, one hundred forty-two million, seven hundred fifty-four thousand, sixty-six".

Divisors: 1 2 53 106 20214661 40429322 1071377033 2142754066