Search a number
-
+
113220322021 = 1811571398171
BaseRepresentation
bin110100101110001110…
…1010000001011100101
3101211020112000021201001
41221130131100023211
53323333400301041
6124002424233301
711115463600252
oct1513435201345
9354215007631
10113220322021
114401aa13774
1219b3930b831
13a8a47325b1
1456a0b7c429
152e29bac131
hex1a5c7502e5

113220322021 has 8 divisors (see below), whose sum is σ = 113918601888. Its totient is φ = 112522842000.

The previous prime is 113220322009. The next prime is 113220322063. The reversal of 113220322021 is 120223022311.

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 113220322021 - 29 = 113220321509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113220322021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113220322091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85266 + ... + 483436.

It is an arithmetic number, because the mean of its divisors is an integer number (14239825236).

Almost surely, 2113220322021 is an apocalyptic number.

It is an amenable number.

113220322021 is a deficient number, since it is larger than the sum of its proper divisors (698279867).

113220322021 is a wasteful number, since it uses less digits than its factorization.

113220322021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399923.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 113220322021 its reverse (120223022311), we get a palindrome (233443344332).

The spelling of 113220322021 in words is "one hundred thirteen billion, two hundred twenty million, three hundred twenty-two thousand, twenty-one".

Divisors: 1 181 1571 284351 398171 72068951 625526641 113220322021