Search a number
-
+
202122120030000 = 2435423328915897
BaseRepresentation
bin101101111101010000111001…
…001010100110011100110000
3222111122200112001212012110120
4231331100321022212130300
5202443032100211430000
61553513341534330240
760400561362044502
oct5575207112463460
9874580461765416
10202122120030000
1159447567498165
121a804755059980
1388a2059cbc421
1437caa971dbd72
1518579d81e46a0
hexb7d4392a6730

202122120030000 has 200 divisors, whose sum is σ = 655277506863408. Its totient is φ = 53667902976000.

The previous prime is 202122120029957. The next prime is 202122120030059. The reversal of 202122120030000 is 30021221202.

It is a happy number.

202122120030000 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7467949 + ... + 21447948.

Almost surely, 2202122120030000 is an apocalyptic number.

202122120030000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202122120030000 is an abundant number, since it is smaller than the sum of its proper divisors (453155386833408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202122120030000 is a wasteful number, since it uses less digits than its factorization.

202122120030000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28916161 (or 28916140 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 202122120030000 its reverse (30021221202), we get a palindrome (202152141251202).

The spelling of 202122120030000 in words is "two hundred two trillion, one hundred twenty-two billion, one hundred twenty million, thirty thousand".