Search a number
-
+
151121103 = 377196243
BaseRepresentation
bin10010000000111…
…10110011001111
3101112100202011220
421000132303033
5302141333403
622555014423
73513336210
oct1100366317
9345322156
10151121103
1178338581
124273a413
1325402293
14160db407
15d401953
hex901eccf

151121103 has 8 divisors (see below), whose sum is σ = 230279808. Its totient is φ = 86354904.

The previous prime is 151121083. The next prime is 151121119. The reversal of 151121103 is 301121151.

151121103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 151121103 - 28 = 151120847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151121153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3598101 + ... + 3598142.

It is an arithmetic number, because the mean of its divisors is an integer number (28784976).

Almost surely, 2151121103 is an apocalyptic number.

151121103 is a deficient number, since it is larger than the sum of its proper divisors (79158705).

151121103 is an equidigital number, since it uses as much as digits as its factorization.

151121103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7196253.

The product of its (nonzero) digits is 30, while the sum is 15.

The square root of 151121103 is about 12293.1323510324. The cubic root of 151121103 is about 532.6497222754.

Adding to 151121103 its reverse (301121151), we get a palindrome (452242254).

The spelling of 151121103 in words is "one hundred fifty-one million, one hundred twenty-one thousand, one hundred three".

Divisors: 1 3 7 21 7196243 21588729 50373701 151121103