Search a number
-
+
1010013101 = 4212399081
BaseRepresentation
bin111100001100111…
…001001110101101
32121101111222111122
4330030321032231
54032030404401
6244120030325
734012653416
oct7414711655
92541458448
101010013101
11479142879
122423023a5
131313349b6
14981d680d
155da0d21b
hex3c3393ad

1010013101 has 4 divisors (see below), whose sum is σ = 1012412604. Its totient is φ = 1007613600.

The previous prime is 1010013089. The next prime is 1010013149. The reversal of 1010013101 is 1013100101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1013100101 = 1377930777.

It can be written as a sum of positive squares in 2 ways, for example, as 213306025 + 796707076 = 14605^2 + 28226^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1010013101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010613101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1199120 + ... + 1199961.

It is an arithmetic number, because the mean of its divisors is an integer number (253103151).

Almost surely, 21010013101 is an apocalyptic number.

It is an amenable number.

1010013101 is a deficient number, since it is larger than the sum of its proper divisors (2399503).

1010013101 is an equidigital number, since it uses as much as digits as its factorization.

1010013101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2399502.

The product of its (nonzero) digits is 3, while the sum is 8.

The square root of 1010013101 is about 31780.7032804499. The cubic root of 1010013101 is about 1003.3266216505.

Adding to 1010013101 its reverse (1013100101), we get a palindrome (2023113202).

The spelling of 1010013101 in words is "one billion, ten million, thirteen thousand, one hundred one".

Divisors: 1 421 2399081 1010013101