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5212323404400 = 2435271487417293
BaseRepresentation
bin100101111011001011010…
…1011110101101001110000
3200110021220210001121200210
41023312112223311221300
51140344314242420100
615030301443544120
71045402142630640
oct113662653655160
920407823047623
105212323404400
11172a5967498a2
1270222468b040
132ba69b54b8b8
141403c63cc520
15908b79e9c50
hex4bd96af5a70

5212323404400 has 240 divisors, whose sum is σ = 19094946130944. Its totient is φ = 1190584151040.

The previous prime is 5212323404357. The next prime is 5212323404417. The reversal of 5212323404400 is 44043232125.

It is a tau number, because it is divible by the number of its divisors (240).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12282154 + ... + 12699446.

Almost surely, 25212323404400 is an apocalyptic number.

5212323404400 is a gapful number since it is divisible by the number (50) 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 5212323404400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9547473065472).

5212323404400 is an abundant number, since it is smaller than the sum of its proper divisors (13882622726544).

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

5212323404400 is a wasteful number, since it uses less digits than its factorization.

5212323404400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418808 (or 418797 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 5212323404400 its reverse (44043232125), we get a palindrome (5256366636525).

The spelling of 5212323404400 in words is "five trillion, two hundred twelve billion, three hundred twenty-three million, four hundred four thousand, four hundred".