Search a number
-
+
101243205212104 = 2312655400651513
BaseRepresentation
bin10111000001010010000101…
…010010000101011111001000
3111021110202102001020211012001
4113001102011102011133020
5101232232041013241404
6555154253021000344
730216403002114634
oct2701220522053710
9437422361224161
10101243205212104
112a294002a3462a
12b4317406b30b4
1344652688581c7
141b002a948bdc4
15ba887c56e7a4
hex5c14854857c8

101243205212104 has 8 divisors (see below), whose sum is σ = 189831009772710. Its totient is φ = 50621602606048.

The previous prime is 101243205212101. The next prime is 101243205212147. The reversal of 101243205212104 is 401212502342101.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 85664317272004 + 15578887940100 = 9255502^2 + 3947010^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (101243205212101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6327700325749 + ... + 6327700325764.

Almost surely, 2101243205212104 is an apocalyptic number.

It is an amenable number.

101243205212104 is a deficient number, since it is larger than the sum of its proper divisors (88587804560606).

101243205212104 is a wasteful number, since it uses less digits than its factorization.

101243205212104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12655400651519 (or 12655400651515 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 101243205212104 its reverse (401212502342101), we get a palindrome (502455707554205).

The spelling of 101243205212104 in words is "one hundred one trillion, two hundred forty-three billion, two hundred five million, two hundred twelve thousand, one hundred four".

Divisors: 1 2 4 8 12655400651513 25310801303026 50621602606052 101243205212104