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1204251231241 = 31435411669897
BaseRepresentation
bin10001100001100010111…
…101111000010000001001
311021010101100011000220101
4101201202331320100021
5124212301303344431
62321120403125401
7153001316400142
oct21414275702011
94233340130811
101204251231241
114247a1475043
12175485373861
1389739290356
1442400d98ac9
15214d3039961
hex11862f78409

1204251231241 has 16 divisors (see below), whose sum is σ = 1274359280128. Its totient is φ = 1136197238400.

The previous prime is 1204251231233. The next prime is 1204251231311. The reversal of 1204251231241 is 1421321524021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1204251231241 - 23 = 1204251231233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1204251291241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113796 + ... + 1556101.

It is an arithmetic number, because the mean of its divisors is an integer number (79647455008).

Almost surely, 21204251231241 is an apocalyptic number.

It is an amenable number.

1204251231241 is a deficient number, since it is larger than the sum of its proper divisors (70108048887).

1204251231241 is a wasteful number, since it uses less digits than its factorization.

1204251231241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670512.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 1204251231241 its reverse (1421321524021), we get a palindrome (2625572755262).

The spelling of 1204251231241 in words is "one trillion, two hundred four billion, two hundred fifty-one million, two hundred thirty-one thousand, two hundred forty-one".

Divisors: 1 31 43 541 1333 16771 23263 721153 1669897 51766807 71805571 903414277 2225972701 28005842587 38846813911 1204251231241