Search a number
-
+
210122130211 = 72149251114661
BaseRepresentation
bin1100001110110001000…
…0010100001100100011
3202002100202212011202221
43003230100110030203
511420312231131321
6240310114251511
721116010431500
oct3035420241443
9662322764687
10210122130211
1181126512474
1234881586b97
1316a783cb036
14a2545564a7
1556ebe08e41
hex30ec414323

210122130211 has 24 divisors (see below), whose sum is σ = 247050745200. Its totient is φ = 178181640000.

The previous prime is 210122130157. The next prime is 210122130217. The reversal of 210122130211 is 112031221012.

It is a de Polignac number, because none of the positive numbers 2k-210122130211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210122130217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1775221 + ... + 1889881.

It is an arithmetic number, because the mean of its divisors is an integer number (10293781050).

Almost surely, 2210122130211 is an apocalyptic number.

210122130211 is a deficient number, since it is larger than the sum of its proper divisors (36928614989).

210122130211 is a wasteful number, since it uses less digits than its factorization.

210122130211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115075 (or 115068 counting only the distinct ones).

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

Adding to 210122130211 its reverse (112031221012), we get a palindrome (322153351223).

The spelling of 210122130211 in words is "two hundred ten billion, one hundred twenty-two million, one hundred thirty thousand, two hundred eleven".

Divisors: 1 7 49 149 251 1043 1757 7301 12299 37399 114661 261793 802627 1832551 5618389 17084489 28779911 119591423 201459377 837139961 1410215639 4288206739 30017447173 210122130211