Search a number
-
+
1011442402 = 21621311981
BaseRepresentation
bin111100010010010…
…110001011100010
32121111012121010201
4330102112023202
54032412124102
6244210415414
734031055445
oct7422261342
92544177121
101011442402
11479a29713
1224289156a
13131715439
149848965c
155dbe1987
hex3c4962e2

1011442402 has 8 divisors (see below), whose sum is σ = 1518104412. Its totient is φ = 505407600.

The previous prime is 1011442361. The next prime is 1011442417. The reversal of 1011442402 is 2042441101.

It can be written as a sum of positive squares in 2 ways, for example, as 999255321 + 12187081 = 31611^2 + 3491^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1011442402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152749 + ... + 159232.

Almost surely, 21011442402 is an apocalyptic number.

1011442402 is a deficient number, since it is larger than the sum of its proper divisors (506662010).

1011442402 is a wasteful number, since it uses less digits than its factorization.

1011442402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313604.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1011442402 is about 31803.1822621574. The cubic root of 1011442402 is about 1003.7996781599.

Adding to 1011442402 its reverse (2042441101), we get a palindrome (3053883503).

The spelling of 1011442402 in words is "one billion, eleven million, four hundred forty-two thousand, four hundred two".

Divisors: 1 2 1621 3242 311981 623962 505721201 1011442402