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3421204144500 = 2235317319766923
BaseRepresentation
bin110001110010001111101…
…010000110000101110100
3110010001201121011210102010
4301302033222012011310
5422023111230111000
611135402434044220
7502113425261262
oct61621752060564
913101647153363
103421204144500
1110a9a1960473a
12473076419670
131ba80615b8bc
14bb83126d432
155ded7961d50
hex31c8fa86174

3421204144500 has 192 divisors, whose sum is σ = 10071147550464. Its totient is φ = 902429785600.

The previous prime is 3421204144493. The next prime is 3421204144507. The reversal of 3421204144500 is 54414021243.

It is an interprime number because it is at equal distance from previous prime (3421204144493) and next prime (3421204144507).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3421204144507) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 51088039 + ... + 51154961.

It is an arithmetic number, because the mean of its divisors is an integer number (52453893492).

Almost surely, 23421204144500 is an apocalyptic number.

3421204144500 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3421204144500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5035573775232).

3421204144500 is an abundant number, since it is smaller than the sum of its proper divisors (6649943405964).

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

3421204144500 is a wasteful number, since it uses less digits than its factorization.

3421204144500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67315 (or 67303 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 3421204144500 its reverse (54414021243), we get a palindrome (3475618165743).

The spelling of 3421204144500 in words is "three trillion, four hundred twenty-one billion, two hundred four million, one hundred forty-four thousand, five hundred".