Search a number
-
+
20352013051 = 94032164417
BaseRepresentation
bin10010111101000100…
…110001001011111011
31221112100220101101011
4102331010301023323
5313140103404201
613203302134351
71320225154006
oct227504611373
957470811334
1020352013051
1186a41a96a7
123b3ba213b7
131bc45b7196
14db0d5853d
157e1b01151
hex4bd1312fb

20352013051 has 4 divisors (see below), whose sum is σ = 20354186872. Its totient is φ = 20349839232.

The previous prime is 20352013049. The next prime is 20352013079. The reversal of 20352013051 is 15031025302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15031025302 = 27515512651.

It is a cyclic number.

It is not a de Polignac number, because 20352013051 - 21 = 20352013049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20352013021) 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, 1072806 + ... + 1091611.

It is an arithmetic number, because the mean of its divisors is an integer number (5088546718).

Almost surely, 220352013051 is an apocalyptic number.

20352013051 is a deficient number, since it is larger than the sum of its proper divisors (2173821).

20352013051 is an equidigital number, since it uses as much as digits as its factorization.

20352013051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2173820.

The product of its (nonzero) digits is 900, while the sum is 22.

Adding to 20352013051 its reverse (15031025302), we get a palindrome (35383038353).

The spelling of 20352013051 in words is "twenty billion, three hundred fifty-two million, thirteen thousand, fifty-one".

Divisors: 1 9403 2164417 20352013051