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150812803 = 523288361
BaseRepresentation
bin10001111110100…
…11100010000011
3101111210002021101
420333103202003
5302102002203
622544235231
73510613321
oct1077234203
9344702241
10150812803
1178147989
124260bb17
1325324b5b
141605ad11
15d39041d
hex8fd3883

150812803 has 4 divisors (see below), whose sum is σ = 151101688. Its totient is φ = 150523920.

The previous prime is 150812741. The next prime is 150812813. The reversal of 150812803 is 308218051.

150812803 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 308218051 = 619497929.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-150812803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150812813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143658 + ... + 144703.

It is an arithmetic number, because the mean of its divisors is an integer number (37775422).

Almost surely, 2150812803 is an apocalyptic number.

150812803 is a deficient number, since it is larger than the sum of its proper divisors (288885).

150812803 is an equidigital number, since it uses as much as digits as its factorization.

150812803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288884.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 150812803 is about 12280.5864273658. The cubic root of 150812803 is about 532.2872586522.

The spelling of 150812803 in words is "one hundred fifty million, eight hundred twelve thousand, eight hundred three".

Divisors: 1 523 288361 150812803