Search a number
-
+
1020152701 = 9413108377
BaseRepresentation
bin111100110011100…
…100101101111101
32122002121010102101
4330303210231331
54042124341301
6245121225101
734165104061
oct7463445575
92562533371
101020152701
11483938907
12245792191
13133474c69
14996b5aa1
155e862701
hex3cce4b7d

1020152701 has 4 divisors (see below), whose sum is σ = 1020270492. Its totient is φ = 1020034912.

The previous prime is 1020152689. The next prime is 1020152723. The reversal of 1020152701 is 1072510201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 539447076 + 480705625 = 23226^2 + 21925^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020152701 - 25 = 1020152669 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 (1020155701) 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 in 3 ways as a sum of consecutive naturals, for example, 44776 + ... + 63601.

It is an arithmetic number, because the mean of its divisors is an integer number (255067623).

Almost surely, 21020152701 is an apocalyptic number.

It is an amenable number.

1020152701 is a deficient number, since it is larger than the sum of its proper divisors (117791).

1020152701 is an equidigital number, since it uses as much as digits as its factorization.

1020152701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117790.

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 1020152701 is about 31939.8293827628. The cubic root of 1020152701 is about 1006.6729398295.

Adding to 1020152701 its reverse (1072510201), we get a palindrome (2092662902).

The spelling of 1020152701 in words is "one billion, twenty million, one hundred fifty-two thousand, seven hundred one".

Divisors: 1 9413 108377 1020152701