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210134141 = 723256747
BaseRepresentation
bin11001000011001…
…10010001111101
3112122101220211222
430201212101331
5412243243031
632503523125
75131052660
oct1441462175
9478356758
10210134141
11a8684988
125a4594a5
13346c4c39
141dc9d6d7
15136abe7b
hexc86647d

210134141 has 12 divisors (see below), whose sum is σ = 251053152. Its totient is φ = 172280856.

The previous prime is 210134123. The next prime is 210134147. The reversal of 210134141 is 141431012.

It is a happy number.

210134141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2k-210134141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210134147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24671 + ... + 32076.

It is an arithmetic number, because the mean of its divisors is an integer number (20921096).

Almost surely, 2210134141 is an apocalyptic number.

It is an amenable number.

210134141 is a deficient number, since it is larger than the sum of its proper divisors (40919011).

210134141 is an equidigital number, since it uses as much as digits as its factorization.

210134141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56800 (or 56777 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 210134141 is about 14496.0043115336. The cubic root of 210134141 is about 594.5187276457.

Adding to 210134141 its reverse (141431012), we get a palindrome (351565153).

The spelling of 210134141 in words is "two hundred ten million, one hundred thirty-four thousand, one hundred forty-one".

Divisors: 1 7 23 161 529 3703 56747 397229 1305181 9136267 30019163 210134141