Search a number
-
+
151015091 = 497330367
BaseRepresentation
bin10010000000001…
…00111010110011
3101112011100202112
421000010322303
5302124440331
622552435535
73512415143
oct1100047263
9345140675
10151015091
1178275967
12426a8bab
1325395c56
14160b0923
15d3d032b
hex9004eb3

151015091 has 4 divisors (see below), whose sum is σ = 151050432. Its totient is φ = 150979752.

The previous prime is 151015087. The next prime is 151015103. The reversal of 151015091 is 190510151.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 151015091 - 22 = 151015087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151015061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10211 + ... + 20156.

It is an arithmetic number, because the mean of its divisors is an integer number (37762608).

Almost surely, 2151015091 is an apocalyptic number.

151015091 is a deficient number, since it is larger than the sum of its proper divisors (35341).

151015091 is an equidigital number, since it uses as much as digits as its factorization.

151015091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35340.

The product of its (nonzero) digits is 225, while the sum is 23.

The square root of 151015091 is about 12288.8197561849. The cubic root of 151015091 is about 532.5251412377.

The spelling of 151015091 in words is "one hundred fifty-one million, fifteen thousand, ninety-one".

Divisors: 1 4973 30367 151015091