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1970506039 is a prime number
BaseRepresentation
bin111010101110011…
…1000100100110111
312002022212002010011
41311130320210313
513013422143124
6523310441051
766555011365
oct16534704467
95068762104
101970506039
11921332397
1246bb03187
1325531b808
141499bc635
15b7ed8994
hex75738937

1970506039 has 2 divisors, whose sum is σ = 1970506040. Its totient is φ = 1970506038.

The previous prime is 1970505983. The next prime is 1970506121. The reversal of 1970506039 is 9306050791.

It is a weak prime.

It is an emirp because it is prime and its reverse (9306050791) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1970506039 - 221 = 1968408887 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1970505992 and 1970506010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1970506339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 985253019 + 985253020.

It is an arithmetic number, because the mean of its divisors is an integer number (985253020).

Almost surely, 21970506039 is an apocalyptic number.

1970506039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1970506039 is an equidigital number, since it uses as much as digits as its factorization.

1970506039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 1970506039 is about 44390.3822803994. The cubic root of 1970506039 is about 1253.6970099011.

The spelling of 1970506039 in words is "one billion, nine hundred seventy million, five hundred six thousand, thirty-nine".