Search a number
-
+
13021021042 = 211235797427
BaseRepresentation
bin11000010000001110…
…10000001101110010
31020121110100101220121
430020013100031302
5203131340133132
65552021400454
7640446565321
oct141007201562
936543311817
1013021021042
115582032917
12263486912a
1312c6851aa3
148b747c0b8
15513205497
hex3081d0372

13021021042 has 8 divisors (see below), whose sum is σ = 19548927216. Its totient is φ = 6504711972.

The previous prime is 13021021037. The next prime is 13021021051. The reversal of 13021021042 is 24012012031.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2896468 + ... + 2900959.

It is an arithmetic number, because the mean of its divisors is an integer number (2443615902).

Almost surely, 213021021042 is an apocalyptic number.

13021021042 is a deficient number, since it is larger than the sum of its proper divisors (6527906174).

13021021042 is a wasteful number, since it uses less digits than its factorization.

13021021042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5798552.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 13021021042 its reverse (24012012031), we get a palindrome (37033033073).

The spelling of 13021021042 in words is "thirteen billion, twenty-one million, twenty-one thousand, forty-two".

Divisors: 1 2 1123 2246 5797427 11594854 6510510521 13021021042