Search a number
-
+
1201225952005 = 515119743918397
BaseRepresentation
bin10001011110101110101…
…001010110101100000101
311020211120111112220222021
4101132232221112230011
5124140102320431010
62315500253003141
7152533333060102
oct21365651265405
94224514486867
101201225952005
11423489808a72
121749801834b1
13893765977b1
14421d5291aa9
15213a76508da
hex117aea56b05

1201225952005 has 32 divisors (see below), whose sum is σ = 1461784389120. Its totient is φ = 947555884800.

The previous prime is 1201225951901. The next prime is 1201225952039. The reversal of 1201225952005 is 5002595221021.

It is a de Polignac number, because none of the positive numbers 2k-1201225952005 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65285467 + ... + 65303863.

It is an arithmetic number, because the mean of its divisors is an integer number (45680762160).

Almost surely, 21201225952005 is an apocalyptic number.

It is an amenable number.

1201225952005 is a deficient number, since it is larger than the sum of its proper divisors (260558437115).

1201225952005 is a wasteful number, since it uses less digits than its factorization.

1201225952005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19189.

The product of its (nonzero) digits is 18000, while the sum is 34.

The spelling of 1201225952005 in words is "one trillion, two hundred one billion, two hundred twenty-five million, nine hundred fifty-two thousand, five".

Divisors: 1 5 151 197 439 755 985 2195 18397 29747 66289 86483 91985 148735 331445 432415 2777947 3624209 8076283 13058933 13889735 18121045 40381415 65294665 547255559 1219518733 1591027751 2736277795 6097593665 7955138755 240245190401 1201225952005