Search a number
-
+
1021231015001 = 5372859264463
BaseRepresentation
bin11101101110001100001…
…11001010010001011001
310121121222100022201211222
432313012013022101121
5113212440114440001
62101051432501425
7133532025254651
oct16670607122131
93547870281758
101021231015001
1136411331478a
12145b0824a875
13753bca06902
14375dc013361
151b8705e761b
hexedc61ca459

1021231015001 has 8 divisors (see below), whose sum is σ = 1040517740160. Its totient is φ = 1001944964592.

The previous prime is 1021231014983. The next prime is 1021231015073. The reversal of 1021231015001 is 1005101321201.

1021231015001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 1021231015001 - 210 = 1021231013977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021231035001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3729296 + ... + 3993758.

It is an arithmetic number, because the mean of its divisors is an integer number (130064717520).

Almost surely, 21021231015001 is an apocalyptic number.

It is an amenable number.

1021231015001 is a deficient number, since it is larger than the sum of its proper divisors (19286725159).

1021231015001 is an equidigital number, since it uses as much as digits as its factorization.

1021231015001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337375.

The product of its (nonzero) digits is 60, while the sum is 17.

Adding to 1021231015001 its reverse (1005101321201), we get a palindrome (2026332336202).

The spelling of 1021231015001 in words is "one trillion, twenty-one billion, two hundred thirty-one million, fifteen thousand, one".

Divisors: 1 53 72859 264463 3861527 14016539 19268509717 1021231015001