Search a number
-
+
3331123020021 = 33145778377521
BaseRepresentation
bin110000011110010110011…
…001111000000011110101
3102210110012200122112102110
4300132112121320003311
5414034114443120041
611030144035001233
7462444222326226
oct60362631700365
912713180575373
103331123020021
1110747a3114625
12459716439219
131b217b5a4494
14b732769524d
155b9b440d516
hex307966780f5

3331123020021 has 16 divisors (see below), whose sum is σ = 4594803849728. Its totient is φ = 2144408947200.

The previous prime is 3331123019839. The next prime is 3331123020037. The reversal of 3331123020021 is 1200203211333.

3331123020021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3331123020021 - 218 = 3331122757877 is a prime.

It is a super-2 number, since 2×33311230200212 (a number of 26 digits) contains 22 as substring.

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 3331123020021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3331123020221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39146260 + ... + 39231261.

It is an arithmetic number, because the mean of its divisors is an integer number (287175240608).

Almost surely, 23331123020021 is an apocalyptic number.

3331123020021 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3331123020021 is a deficient number, since it is larger than the sum of its proper divisors (1263680829707).

3331123020021 is a wasteful number, since it uses less digits than its factorization.

3331123020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78378012.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 3331123020021 its reverse (1200203211333), we get a palindrome (4531326231354).

The spelling of 3331123020021 in words is "three trillion, three hundred thirty-one billion, one hundred twenty-three million, twenty thousand, twenty-one".

Divisors: 1 3 31 93 457 1371 14167 42501 78377521 235132563 2429703151 7289109453 35818527097 107455581291 1110374340007 3331123020021