Search a number
-
+
2020123011 = 33919171823
BaseRepresentation
bin111100001101000…
…1010000110000011
312012210012212210210
41320122022012003
513114122414021
6532242125203
7101026522314
oct17032120603
95183185723
102020123011
11947341355
12484650803
132626a177a
1415241660b
15bc539e76
hex7868a183

2020123011 has 8 divisors (see below), whose sum is σ = 2694200320. Its totient is φ = 1346397192.

The previous prime is 2020122911. The next prime is 2020123099. The reversal of 2020123011 is 1103210202.

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

It is not a de Polignac number, because 2020123011 - 213 = 2020114819 is a prime.

It is a super-2 number, since 2×20201230112 = 8161793959143412242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020123411) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 74155 + ... + 97668.

It is an arithmetic number, because the mean of its divisors is an integer number (336775040).

Almost surely, 22020123011 is an apocalyptic number.

2020123011 is a deficient number, since it is larger than the sum of its proper divisors (674077309).

2020123011 is a wasteful number, since it uses less digits than its factorization.

2020123011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175745.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2020123011 is about 44945.7785670690. The cubic root of 2020123011 is about 1264.1325242516.

Adding to 2020123011 its reverse (1103210202), we get a palindrome (3123333213).

The spelling of 2020123011 in words is "two billion, twenty million, one hundred twenty-three thousand, eleven".

Divisors: 1 3 3919 11757 171823 515469 673374337 2020123011