Search a number
-
+
1012231501 = 70910491361
BaseRepresentation
bin111100010101010…
…110110101001101
32121112200200120121
4330111112311031
54033112402001
6244235344541
734040553151
oct7425266515
92545620517
101012231501
1147a418566
12242bb2151
13131930668
1498613061
155dcea6a1
hex3c556d4d

1012231501 has 8 divisors (see below), whose sum is σ = 1015371000. Its totient is φ = 1009098240.

The previous prime is 1012231483. The next prime is 1012231537. The reversal of 1012231501 is 1051322101.

It can be written as a sum of positive squares in 4 ways, for example, as 59274601 + 952956900 = 7699^2 + 30870^2 .

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 1012231501 - 25 = 1012231469 is a prime.

It is a super-3 number, since 3×10122315013 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012231601) 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 7 ways as a sum of consecutive naturals, for example, 743061 + ... + 744421.

It is an arithmetic number, because the mean of its divisors is an integer number (126921375).

Almost surely, 21012231501 is an apocalyptic number.

It is an amenable number.

1012231501 is a deficient number, since it is larger than the sum of its proper divisors (3139499).

1012231501 is a wasteful number, since it uses less digits than its factorization.

1012231501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3119.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1012231501 is about 31815.5858189033. The cubic root of 1012231501 is about 1004.0606557562.

Adding to 1012231501 its reverse (1051322101), we get a palindrome (2063553602).

The spelling of 1012231501 in words is "one billion, twelve million, two hundred thirty-one thousand, five hundred one".

Divisors: 1 709 1049 1361 743741 964949 1427689 1012231501