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421020304030030 = 2542102030403003
BaseRepresentation
bin101111110111010100110110…
…1101010100011100101001110
32001012201010222212202122022211
41133232221231222203211032
5420140444040312430110
64051234020233301034
7154452466422063145
oct13756515552434516
92035633885678284
10421020304030030
11112171787714931
123b27867bb6477a
13150c0076484173
1475d76c473675c
1533a1a86eee98a
hex17eea6daa394e

421020304030030 has 8 divisors (see below), whose sum is σ = 757836547254072. Its totient is φ = 168408121612008.

The previous prime is 421020304029979. The next prime is 421020304030049. The reversal of 421020304030030 is 30030403020124.

It is a happy number.

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

It is a super-3 number, since 3×4210203040300303 (a number of 45 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 421020304029983 and 421020304030010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21051015201492 + ... + 21051015201511.

It is an arithmetic number, because the mean of its divisors is an integer number (94729568406759).

Almost surely, 2421020304030030 is an apocalyptic number.

421020304030030 is a deficient number, since it is larger than the sum of its proper divisors (336816243224042).

421020304030030 is a wasteful number, since it uses less digits than its factorization.

421020304030030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42102030403010.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 421020304030030 its reverse (30030403020124), we get a palindrome (451050707050154).

The spelling of 421020304030030 in words is "four hundred twenty-one trillion, twenty billion, three hundred four million, thirty thousand, thirty".

Divisors: 1 2 5 10 42102030403003 84204060806006 210510152015015 421020304030030