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231201122130010 = 2523120112213001
BaseRepresentation
bin110100100100011010110100…
…110000011001100001011010
31010022121121111201112001000201
4310210122310300121201122
5220300444344231130020
62135420155040252414
766461505223453114
oct6444326460314132
91108547451461021
10231201122130010
116773893305036a
1221b203b001110a
139c01231614586
1441142a05583b4
151bae11230ba0a
hexd246b4c1985a

231201122130010 has 8 divisors (see below), whose sum is σ = 416162019834036. Its totient is φ = 92480448852000.

The previous prime is 231201122129899. The next prime is 231201122130053. The reversal of 231201122130010 is 10031221102132.

It can be written as a sum of positive squares in 2 ways, for example, as 206661354269841 + 24539767860169 = 14375721^2 + 4953763^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 231201122130010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11560056106491 + ... + 11560056106510.

Almost surely, 2231201122130010 is an apocalyptic number.

231201122130010 is a deficient number, since it is larger than the sum of its proper divisors (184960897704026).

231201122130010 is a wasteful number, since it uses less digits than its factorization.

231201122130010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23120112213008.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 231201122130010 its reverse (10031221102132), we get a palindrome (241232343232142).

The spelling of 231201122130010 in words is "two hundred thirty-one trillion, two hundred one billion, one hundred twenty-two million, one hundred thirty thousand, ten".

Divisors: 1 2 5 10 23120112213001 46240224426002 115600561065005 231201122130010