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5211351200000 = 285511592199
BaseRepresentation
bin100101111010101110010…
…1111001011000100000000
3200110012102000200111222102
41023311130233023010000
51140340321401400000
615030021154125532
71045336066214531
oct113653457130400
920405360614872
105211351200000
11172a137990290
12701bb2b808a8
132ba574cc421a
14140333238688
159085c4a93d5
hex4bd5cbcb100

5211351200000 has 216 divisors, whose sum is σ = 14184132782400. Its totient is φ = 1895033600000.

The previous prime is 5211351199969. The next prime is 5211351200021. The reversal of 5211351200000 is 21531125.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8503901 + ... + 9096099.

It is an arithmetic number, because the mean of its divisors is an integer number (65667281400).

Almost surely, 25211351200000 is an apocalyptic number.

5211351200000 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 5211351200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7092066391200).

5211351200000 is an abundant number, since it is smaller than the sum of its proper divisors (8972781582400).

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

5211351200000 is an frugal number, since it uses more digits than its factorization.

5211351200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592251 (or 592217 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

Adding to 5211351200000 its reverse (21531125), we get a palindrome (5211372731125).

The spelling of 5211351200000 in words is "five trillion, two hundred eleven billion, three hundred fifty-one million, two hundred thousand".