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307970027537 is a prime number
BaseRepresentation
bin1000111101101000111…
…00011011000000010001
31002102220221221101011012
410132310130123000101
520021210311340122
6353251322300305
731151533020254
oct4366434330021
91072827841135
10307970027537
11109678062a17
124b82a657695
13230700a9433
1410c9784709b
1580272387e2
hex47b471b011

307970027537 has 2 divisors, whose sum is σ = 307970027538. Its totient is φ = 307970027536.

The previous prime is 307970027503. The next prime is 307970027539. The reversal of 307970027537 is 735720079703.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 280485692881 + 27484334656 = 529609^2 + 165784^2 .

It is a cyclic number.

It is not a de Polignac number, because 307970027537 - 218 = 307969765393 is a prime.

It is a super-2 number, since 2×3079700275372 (a number of 24 digits) contains 22 as substring.

Together with 307970027539, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (307970027539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153985013768 + 153985013769.

It is an arithmetic number, because the mean of its divisors is an integer number (153985013769).

Almost surely, 2307970027537 is an apocalyptic number.

It is an amenable number.

307970027537 is a deficient number, since it is larger than the sum of its proper divisors (1).

307970027537 is an equidigital number, since it uses as much as digits as its factorization.

307970027537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944810, while the sum is 50.

The spelling of 307970027537 in words is "three hundred seven billion, nine hundred seventy million, twenty-seven thousand, five hundred thirty-seven".