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210230211121 = 7532020128051
BaseRepresentation
bin1100001111001010110…
…0100111001000110001
3202002122022020020220121
43003302230213020301
511421022413223441
6240324535010241
721121462211260
oct3036254471061
9662568206817
10210230211121
1181181523237
12348b1809981
1316a94910a38
14a264a4c5d7
155706657dd1
hex30f2b27231

210230211121 has 16 divisors (see below), whose sum is σ = 244817209728. Its totient is φ = 176782320000.

The previous prime is 210230211071. The next prime is 210230211131. The reversal of 210230211121 is 121112032012.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-210230211121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210230211095 and 210230211104.

It is not an unprimeable number, because it can be changed into a prime (210230211131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7480546 + ... + 7508596.

It is an arithmetic number, because the mean of its divisors is an integer number (15301075608).

Almost surely, 2210230211121 is an apocalyptic number.

It is an amenable number.

210230211121 is a deficient number, since it is larger than the sum of its proper divisors (34586998607).

210230211121 is a wasteful number, since it uses less digits than its factorization.

210230211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48312.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 210230211121 its reverse (121112032012), we get a palindrome (331342243133).

The spelling of 210230211121 in words is "two hundred ten billion, two hundred thirty million, two hundred eleven thousand, one hundred twenty-one".

Divisors: 1 7 53 371 20201 28051 141407 196357 1070653 1486703 7494571 10406921 566658251 3966607757 30032887303 210230211121