Search a number
-
+
421222100204030 = 2542122210020403
BaseRepresentation
bin101111111000110010110100…
…1101001110111100111111110
32001020102102212101212102100012
41133301211221221313213332
5420202300330123012110
64051510432245503222
7154503202213211066
oct13761455151674776
92036372771772305
10421222100204030
1111223a320367154
123b2ab7b9111b12
13151060c5953a98
1476033891b63a6
1533a6e47ec3905
hex17f1969a779fe

421222100204030 has 8 divisors (see below), whose sum is σ = 758199780367272. Its totient is φ = 168488840081608.

The previous prime is 421222100203981. The next prime is 421222100204039. The reversal of 421222100204030 is 30402001222124.

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

It is a junction number, because it is equal to n+sod(n) for n = 421222100203987 and 421222100204005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421222100204039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21061105010192 + ... + 21061105010211.

It is an arithmetic number, because the mean of its divisors is an integer number (94774972545909).

Almost surely, 2421222100204030 is an apocalyptic number.

421222100204030 is a deficient number, since it is larger than the sum of its proper divisors (336977680163242).

421222100204030 is a wasteful number, since it uses less digits than its factorization.

421222100204030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42122210020410.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 421222100204030 its reverse (30402001222124), we get a palindrome (451624101426154).

The spelling of 421222100204030 in words is "four hundred twenty-one trillion, two hundred twenty-two billion, one hundred million, two hundred four thousand, thirty".

Divisors: 1 2 5 10 42122210020403 84244420040806 210611050102015 421222100204030