Search a number
-
+
149106871 is a prime number
BaseRepresentation
bin10001110001100…
…11000010110111
3101101120102011201
420320303002313
5301132404441
622443513331
73460246624
oct1070630267
9341512151
10149106871
1177192221
1241b28847
1324b78524
1415b3534b
15d154c31
hex8e330b7

149106871 has 2 divisors, whose sum is σ = 149106872. Its totient is φ = 149106870.

The previous prime is 149106863. The next prime is 149106899. The reversal of 149106871 is 178601941.

149106871 is digitally balanced in base 2, 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 149106871 - 23 = 149106863 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 149106871.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149106271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74553435 + 74553436.

It is an arithmetic number, because the mean of its divisors is an integer number (74553436).

Almost surely, 2149106871 is an apocalyptic number.

149106871 is a deficient number, since it is larger than the sum of its proper divisors (1).

149106871 is an equidigital number, since it uses as much as digits as its factorization.

149106871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 37.

The square root of 149106871 is about 12210.9324377789. The cubic root of 149106871 is about 530.2726388892.

The spelling of 149106871 in words is "one hundred forty-nine million, one hundred six thousand, eight hundred seventy-one".