Search a number
-
+
2804304352920 = 233573487139901
BaseRepresentation
bin101000110011101101100…
…100001001011010011000
3100221002101210101101010020
4220303231210021122120
5331421203403243140
65544140222350440
7406414163463000
oct50635544113230
910832353341106
102804304352920
11991331776644
123935aba2b420
131745a21c5625
1499a2c753000
154ce2e1136d0
hex28ced909698

2804304352920 has 256 divisors, whose sum is σ = 9831193344000. Its totient is φ = 639663091200.

The previous prime is 2804304352907. The next prime is 2804304352951. The reversal of 2804304352920 is 292534034082.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19974970 + ... + 20114870.

It is an arithmetic number, because the mean of its divisors is an integer number (38403099000).

Almost surely, 22804304352920 is an apocalyptic number.

2804304352920 is a gapful number since it is divisible by the number (20) 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 2804304352920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4915596672000).

2804304352920 is an abundant number, since it is smaller than the sum of its proper divisors (7026888991080).

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

2804304352920 is a wasteful number, since it uses less digits than its factorization.

2804304352920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140423 (or 140405 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 2804304352920 in words is "two trillion, eight hundred four billion, three hundred four million, three hundred fifty-two thousand, nine hundred twenty".