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42850318501 is a prime number
BaseRepresentation
bin100111111010000100…
…111111100010100101
311002121022102201102101
4213322010333202211
51200224140143001
631403555012101
73044604461164
oct477204774245
9132538381371
1042850318501
1117199984571
12837a59a031
13406b749b63
142106d6d3db
1511abd60a01
hex9fa13f8a5

42850318501 has 2 divisors, whose sum is σ = 42850318502. Its totient is φ = 42850318500.

The previous prime is 42850318477. The next prime is 42850318543. The reversal of 42850318501 is 10581305824.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22260938401 + 20589380100 = 149201^2 + 143490^2 .

It is a cyclic number.

It is not a de Polignac number, because 42850318501 - 27 = 42850318373 is a prime.

It is a super-2 number, since 2×428503185012 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42850318001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21425159250 + 21425159251.

It is an arithmetic number, because the mean of its divisors is an integer number (21425159251).

Almost surely, 242850318501 is an apocalyptic number.

It is an amenable number.

42850318501 is a deficient number, since it is larger than the sum of its proper divisors (1).

42850318501 is an equidigital number, since it uses as much as digits as its factorization.

42850318501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38400, while the sum is 37.

The spelling of 42850318501 in words is "forty-two billion, eight hundred fifty million, three hundred eighteen thousand, five hundred one".