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2142031410 = 232523800349
BaseRepresentation
bin111111110101100…
…1100111000110010
312112021121110200200
41333223030320302
513341330001120
6552315100030
7104036652351
oct17753147062
95467543620
102142031410
119aa1369a2
124b9441616
13281a1620c
141646ab998
15c80bae90
hex7facce32

2142031410 has 24 divisors (see below), whose sum is σ = 5569281900. Its totient is φ = 571208352.

The previous prime is 2142031361. The next prime is 2142031427. The reversal of 2142031410 is 141302412.

It can be written as a sum of positive squares in 2 ways, for example, as 2140265169 + 1766241 = 46263^2 + 1329^2 .

It is a super-2 number, since 2×21420314102 = 9176597122853176200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 11900085 + ... + 11900264.

Almost surely, 22142031410 is an apocalyptic number.

2142031410 is an abundant number, since it is smaller than the sum of its proper divisors (3427250490).

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

2142031410 is a wasteful number, since it uses less digits than its factorization.

2142031410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23800362 (or 23800359 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2142031410 is about 46282.0851950298. The cubic root of 2142031410 is about 1289.0663697030.

Adding to 2142031410 its reverse (141302412), we get a palindrome (2283333822).

The spelling of 2142031410 in words is "two billion, one hundred forty-two million, thirty-one thousand, four hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 23800349 47600698 71401047 119001745 142802094 214203141 238003490 357005235 428406282 714010470 1071015705 2142031410