Search a number
-
+
106256777741 = 186253570497
BaseRepresentation
bin110001011110101100…
…1011100001000001101
3101011021012212120202122
41202331121130020031
53220103213341431
6120451431302325
710451066465012
oct1427531341015
9334235776678
10106256777741
11410771a98a4
121871521a9a5
13a034b51baa
1451dddd1709
152b6d694a7b
hex18bd65c20d

106256777741 has 4 divisors (see below), whose sum is σ = 106257534492. Its totient is φ = 106256020992.

The previous prime is 106256777687. The next prime is 106256777749. The reversal of 106256777741 is 147777652601.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 147777652601 = 151978659951.

It can be written as a sum of positive squares in 2 ways, for example, as 25460989225 + 80795788516 = 159565^2 + 284246^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-106256777741 is a prime.

It is a super-2 number, since 2×1062567777412 (a number of 23 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 (106256777749) 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, 98996 + ... + 471501.

It is an arithmetic number, because the mean of its divisors is an integer number (26564383623).

Almost surely, 2106256777741 is an apocalyptic number.

It is an amenable number.

106256777741 is a deficient number, since it is larger than the sum of its proper divisors (756751).

106256777741 is an equidigital number, since it uses as much as digits as its factorization.

106256777741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756750.

The product of its (nonzero) digits is 3457440, while the sum is 53.

The spelling of 106256777741 in words is "one hundred six billion, two hundred fifty-six million, seven hundred seventy-seven thousand, seven hundred forty-one".

Divisors: 1 186253 570497 106256777741