Search a number
-
+
1054105761444 = 22387842146787
BaseRepresentation
bin11110101011011011001…
…10010111011010100100
310201202211102221212222120
433111231212113122210
5114232302033331234
62124125520425540
7136104503064531
oct17255546273244
93652742855876
101054105761444
1137705324931a
12150361a782b0
137852b839cb8
143903a17bd88
151c6467c3049
hexf56d9976a4

1054105761444 has 12 divisors (see below), whose sum is σ = 2459580110064. Its totient is φ = 351368587144.

The previous prime is 1054105761439. The next prime is 1054105761479. The reversal of 1054105761444 is 4441675014501.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×10541057614442 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1054105761396 and 1054105761405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43921073382 + ... + 43921073405.

It is an arithmetic number, because the mean of its divisors is an integer number (204965009172).

Almost surely, 21054105761444 is an apocalyptic number.

It is an amenable number.

1054105761444 is an abundant number, since it is smaller than the sum of its proper divisors (1405474348620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1054105761444 is a wasteful number, since it uses less digits than its factorization.

1054105761444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87842146794 (or 87842146792 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 42.

The spelling of 1054105761444 in words is "one trillion, fifty-four billion, one hundred five million, seven hundred sixty-one thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 87842146787 175684293574 263526440361 351368587148 527052880722 1054105761444