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1012451056501 = 431271367135623
BaseRepresentation
bin11101011101110101100…
…10010001101101110101
310120210022110021122000211
432232322302101231311
5113041444432302001
62053040311505421
7133101323662213
oct16567262215565
93523273248024
101012451056501
11360418254a35
12144277988271
1374620a09bb1
1437007d19cb3
151b5098d3351
hexebbac91b75

1012451056501 has 16 divisors (see below), whose sum is σ = 1044925415424. Its totient is φ = 980394078384.

The previous prime is 1012451056499. The next prime is 1012451056579. The reversal of 1012451056501 is 1056501542101.

It is not a de Polignac number, because 1012451056501 - 21 = 1012451056499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012451056301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7397376 + ... + 7532998.

It is an arithmetic number, because the mean of its divisors is an integer number (65307838464).

Almost surely, 21012451056501 is an apocalyptic number.

It is an amenable number.

1012451056501 is a deficient number, since it is larger than the sum of its proper divisors (32474358923).

1012451056501 is a wasteful number, since it uses less digits than its factorization.

1012451056501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137160.

The product of its (nonzero) digits is 6000, while the sum is 31.

Adding to 1012451056501 its reverse (1056501542101), we get a palindrome (2068952598602).

The spelling of 1012451056501 in words is "one trillion, twelve billion, four hundred fifty-one million, fifty-six thousand, five hundred one".

Divisors: 1 43 127 1367 5461 58781 135623 173609 5831789 7465187 17224121 185396641 740637203 7972055563 23545373407 1012451056501