Search a number
-
+
151443001121 = 229661323149
BaseRepresentation
bin1000110100001010110…
…1001100111100100001
3112110220022201120021112
42031002231030330201
54440123402013441
6153323313033105
713640620161416
oct2150255147441
9473808646245
10151443001121
1159254698265
1225425b55795
1311386505789
14748929810d
153e1561a4eb
hex2342b4cf21

151443001121 has 4 divisors (see below), whose sum is σ = 152104324500. Its totient is φ = 150781677744.

The previous prime is 151443001117. The next prime is 151443001139. The reversal of 151443001121 is 121100344151.

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

It can be written as a sum of positive squares in 2 ways, for example, as 104047534096 + 47395467025 = 322564^2 + 217705^2 .

It is a cyclic number.

It is not a de Polignac number, because 151443001121 - 22 = 151443001117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151443001181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 330661346 + ... + 330661803.

It is an arithmetic number, because the mean of its divisors is an integer number (38026081125).

Almost surely, 2151443001121 is an apocalyptic number.

It is an amenable number.

151443001121 is a deficient number, since it is larger than the sum of its proper divisors (661323379).

151443001121 is an equidigital number, since it uses as much as digits as its factorization.

151443001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661323378.

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 151443001121 its reverse (121100344151), we get a palindrome (272543345272).

The spelling of 151443001121 in words is "one hundred fifty-one billion, four hundred forty-three million, one thousand, one hundred twenty-one".

Divisors: 1 229 661323149 151443001121