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150103331 = 721443333
BaseRepresentation
bin10001111001001…
…10010100100011
3101110110001001122
420330212110203
5301411301311
622521122455
73501600020
oct1074462443
9343401048
10150103331
1177802944
124232942b
1325136c51
1415d14547
15d2a00db
hex8f26523

150103331 has 4 divisors (see below), whose sum is σ = 171546672. Its totient is φ = 128659992.

The previous prime is 150103321. The next prime is 150103381. The reversal of 150103331 is 133301051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133301051 = 1310253927.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-150103331 is a prime.

It is a super-2 number, since 2×1501033312 = 45062019954591122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150103321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10721660 + ... + 10721673.

It is an arithmetic number, because the mean of its divisors is an integer number (42886668).

Almost surely, 2150103331 is an apocalyptic number.

150103331 is a deficient number, since it is larger than the sum of its proper divisors (21443341).

150103331 is an equidigital number, since it uses as much as digits as its factorization.

150103331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21443340.

The product of its (nonzero) digits is 135, while the sum is 17.

The square root of 150103331 is about 12251.6664580783. Note that the first 3 decimals coincide. The cubic root of 150103331 is about 531.4512627782.

Adding to 150103331 its reverse (133301051), we get a palindrome (283404382).

The spelling of 150103331 in words is "one hundred fifty million, one hundred three thousand, three hundred thirty-one".

Divisors: 1 7 21443333 150103331