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149952811 is a prime number
BaseRepresentation
bin10001111000000…
…01100100101011
3101110011101120211
420330001210223
5301341442221
622514001551
73500402131
oct1074014453
9343141524
10149952811
117770a848
12422762b7
13250b3598
1415cb5751
15d2706e1
hex8f0192b

149952811 has 2 divisors, whose sum is σ = 149952812. Its totient is φ = 149952810.

The previous prime is 149952809. The next prime is 149952827. The reversal of 149952811 is 118259941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149952811 - 21 = 149952809 is a prime.

It is a super-3 number, since 3×1499528113 (a number of 26 digits) contains 333 as substring.

Together with 149952809, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (149952871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74976405 + 74976406.

It is an arithmetic number, because the mean of its divisors is an integer number (74976406).

Almost surely, 2149952811 is an apocalyptic number.

149952811 is a deficient number, since it is larger than the sum of its proper divisors (1).

149952811 is an equidigital number, since it uses as much as digits as its factorization.

149952811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 40.

The square root of 149952811 is about 12245.5220795195. The cubic root of 149952811 is about 531.2735611972.

The spelling of 149952811 in words is "one hundred forty-nine million, nine hundred fifty-two thousand, eight hundred eleven".