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1054013814781 = 2736738514043
BaseRepresentation
bin11110101011010000001…
…11100111011111111101
310201202121000221111212121
433111220013213133331
5114232110014033111
62124112434002541
7136102305413464
oct17255007473775
93652530844777
101054013814781
11377006358444
12150337116451
1378515785ca5
143902bc859db
151c63d6ae871
hexf5681e77fd

1054013814781 has 4 divisors (see below), whose sum is σ = 1054052356192. Its totient is φ = 1053975273372.

The previous prime is 1054013814769. The next prime is 1054013814851. The reversal of 1054013814781 is 1874183104501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1054013814781 - 215 = 1054013782013 is a prime.

It is a super-2 number, since 2×10540138147812 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054013814881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19229655 + ... + 19284388.

It is an arithmetic number, because the mean of its divisors is an integer number (263513089048).

Almost surely, 21054013814781 is an apocalyptic number.

It is an amenable number.

1054013814781 is a deficient number, since it is larger than the sum of its proper divisors (38541411).

1054013814781 is an equidigital number, since it uses as much as digits as its factorization.

1054013814781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38541410.

The product of its (nonzero) digits is 107520, while the sum is 43.

The spelling of 1054013814781 in words is "one trillion, fifty-four billion, thirteen million, eight hundred fourteen thousand, seven hundred eighty-one".

Divisors: 1 27367 38514043 1054013814781