Search a number
-
+
1050561321461 = 6318212027911
BaseRepresentation
bin11110100100110100101…
…01011001100111110101
310201102200102110200101122
433102122111121213311
5114203022144241321
62122342103033325
7135620613615341
oct17223225314765
93642612420348
101050561321461
113755a4529083
1214b732a3b845
13780b5410c32
1438bc1532621
151c4da5388ab
hexf49a5599f5

1050561321461 has 8 divisors (see below), whose sum is σ = 1053508395648. Its totient is φ = 1047618306000.

The previous prime is 1050561321457. The next prime is 1050561321463. The reversal of 1050561321461 is 1641231650501.

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 1050561321461 - 22 = 1050561321457 is a prime.

It is a super-2 number, since 2×10505613214612 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1050561321463) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 495905 + ... + 1532006.

It is an arithmetic number, because the mean of its divisors is an integer number (131688549456).

Almost surely, 21050561321461 is an apocalyptic number.

It is an amenable number.

1050561321461 is a deficient number, since it is larger than the sum of its proper divisors (2947074187).

1050561321461 is an equidigital number, since it uses as much as digits as its factorization.

1050561321461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2029363.

The product of its (nonzero) digits is 21600, while the sum is 35.

Adding to 1050561321461 its reverse (1641231650501), we get a palindrome (2691792971962).

The spelling of 1050561321461 in words is "one trillion, fifty billion, five hundred sixty-one million, three hundred twenty-one thousand, four hundred sixty-one".

Divisors: 1 631 821 518051 2027911 1279611841 1664914931 1050561321461