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28316287037 is a prime number
BaseRepresentation
bin11010010111110010…
…000100000000111101
32201002102002102101202
4122113302010000331
5430442432141122
621001444145245
72021463316463
oct322762040075
981072072352
1028316287037
1111010895615
1255a3098225
1328935cbc3c
1415289a2833
15b0ade0e92
hex697c8403d

28316287037 has 2 divisors, whose sum is σ = 28316287038. Its totient is φ = 28316287036.

The previous prime is 28316287033. The next prime is 28316287061. The reversal of 28316287037 is 73078261382.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25775018116 + 2541268921 = 160546^2 + 50411^2 .

It is a cyclic number.

It is not a de Polignac number, because 28316287037 - 22 = 28316287033 is a prime.

It is a super-2 number, since 2×283162870372 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28316286982 and 28316287000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28316287033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14158143518 + 14158143519.

It is an arithmetic number, because the mean of its divisors is an integer number (14158143519).

Almost surely, 228316287037 is an apocalyptic number.

It is an amenable number.

28316287037 is a deficient number, since it is larger than the sum of its proper divisors (1).

28316287037 is an equidigital number, since it uses as much as digits as its factorization.

28316287037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 677376, while the sum is 47.

The spelling of 28316287037 in words is "twenty-eight billion, three hundred sixteen million, two hundred eighty-seven thousand, thirty-seven".