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210130142 = 2748714033
BaseRepresentation
bin11001000011001…
…01010011011110
3112122101201100212
430201211103132
5412243131032
632503452422
75131035215
oct1441452336
9478351325
10210130142
11a8681982
125a457112
13346c3181
141dc9c07c
15136aabb2
hexc8654de

210130142 has 8 divisors (see below), whose sum is σ = 315259776. Its totient is φ = 105043552.

The previous prime is 210130127. The next prime is 210130147. The reversal of 210130142 is 241031012.

210130142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210130147) 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, 7958 + ... + 21990.

It is an arithmetic number, because the mean of its divisors is an integer number (39407472).

Almost surely, 2210130142 is an apocalyptic number.

210130142 is a deficient number, since it is larger than the sum of its proper divisors (105129634).

210130142 is a wasteful number, since it uses less digits than its factorization.

210130142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21522.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 210130142 is about 14495.8663763157. The cubic root of 210130142 is about 594.5149562524.

Adding to 210130142 its reverse (241031012), we get a palindrome (451161154).

The spelling of 210130142 in words is "two hundred ten million, one hundred thirty thousand, one hundred forty-two".

Divisors: 1 2 7487 14033 14974 28066 105065071 210130142