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7149851851 is a prime number
BaseRepresentation
bin1101010100010101…
…00001010011001011
3200110021201002212211
412222022201103023
5104120330224401
63141250045551
7342115511062
oct65212412313
920407632784
107149851851
1130399a557a
1214765798b7
1389c38258c
144bb8071d9
152bca69951
hex1aa2a14cb

7149851851 has 2 divisors, whose sum is σ = 7149851852. Its totient is φ = 7149851850.

The previous prime is 7149851833. The next prime is 7149851911. The reversal of 7149851851 is 1581589417.

7149851851 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7149851851 - 211 = 7149849803 is a prime.

It is a super-2 number, since 2×71498518512 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7149851795 and 7149851804.

It is not a weakly prime, because it can be changed into another prime (7149851831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3574925925 + 3574925926.

It is an arithmetic number, because the mean of its divisors is an integer number (3574925926).

Almost surely, 27149851851 is an apocalyptic number.

7149851851 is a deficient number, since it is larger than the sum of its proper divisors (1).

7149851851 is an equidigital number, since it uses as much as digits as its factorization.

7149851851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 403200, while the sum is 49.

The square root of 7149851851 is about 84556.7965984994. The cubic root of 7149851851 is about 1926.4852180859.

The spelling of 7149851851 in words is "seven billion, one hundred forty-nine million, eight hundred fifty-one thousand, eight hundred fifty-one".