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51030210152 = 2341859718097
BaseRepresentation
bin101111100001101000…
…110011011001101000
311212201101100021021102
4233201220303121220
51314002213211102
635235402300532
73454401425615
oct574150633150
9155641307242
1051030210152
111a7072501a9
129a81ab7748
134a7332672c
1426814a350c
1514da042402
hexbe1a33668

51030210152 has 32 divisors (see below), whose sum is σ = 98032160520. Its totient is φ = 24888514560.

The previous prime is 51030210137. The next prime is 51030210157. The reversal of 51030210152 is 25101203015.

It is a happy number.

51030210152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 26099694916 + 24930515236 = 161554^2 + 157894^2 .

It is not an unprimeable number, because it can be changed into a prime (51030210157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2810768 + ... + 2828864.

Almost surely, 251030210152 is an apocalyptic number.

It is an amenable number.

51030210152 is a deficient number, since it is larger than the sum of its proper divisors (47001950368).

51030210152 is a wasteful number, since it uses less digits than its factorization.

51030210152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26741 (or 26737 counting only the distinct ones).

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

Adding to 51030210152 its reverse (25101203015), we get a palindrome (76131413167).

The spelling of 51030210152 in words is "fifty-one billion, thirty million, two hundred ten thousand, one hundred fifty-two".

Divisors: 1 2 4 8 41 82 164 328 8597 17194 18097 34388 36194 68776 72388 144776 352477 704954 741977 1409908 1483954 2819816 2967908 5935816 155579909 311159818 622319636 1244639272 6378776269 12757552538 25515105076 51030210152