Search a number
-
+
1254210205012 = 221252725030139
BaseRepresentation
bin10010010000000100110…
…000001111010101010100
311102220100001202212010021
4102100010300033111110
5131022110303030022
62400102021234524
7156420332561662
oct22200460172524
94386301685107
101254210205012
114439a8a66516
121830a8562a44
139136b6973ab
14449c0089c32
1522958ec87c7
hex12404c0f554

1254210205012 has 12 divisors (see below), whose sum is σ = 2195043157440. Its totient is φ = 627055017176.

The previous prime is 1254210204991. The next prime is 1254210205043. The reversal of 1254210205012 is 2105020124521.

It is a congruent number.

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, 12464962 + ... + 12565177.

It is an arithmetic number, because the mean of its divisors is an integer number (182920263120).

Almost surely, 21254210205012 is an apocalyptic number.

It is an amenable number.

1254210205012 is a deficient number, since it is larger than the sum of its proper divisors (940832952428).

1254210205012 is a wasteful number, since it uses less digits than its factorization.

1254210205012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25042670 (or 25042668 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 1254210205012 its reverse (2105020124521), we get a palindrome (3359230329533).

The spelling of 1254210205012 in words is "one trillion, two hundred fifty-four billion, two hundred ten million, two hundred five thousand, twelve".

Divisors: 1 2 4 12527 25054 50108 25030139 50060278 100120556 313552551253 627105102506 1254210205012