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151121241 = 3326920807
BaseRepresentation
bin10010000000111…
…10110101011001
3101112100202101000
421000132311121
5302141334431
622555015213
73513336465
oct1100366531
9345322330
10151121241
1178338697
124273a509
132540236b
14160db4a5
15d4019e6
hex901ed59

151121241 has 16 divisors (see below), whose sum is σ = 224726400. Its totient is φ = 100368144.

The previous prime is 151121239. The next prime is 151121251. The reversal of 151121241 is 142121151.

It is not a de Polignac number, because 151121241 - 21 = 151121239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (151121251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3141 + ... + 17666.

It is an arithmetic number, because the mean of its divisors is an integer number (14045400).

Almost surely, 2151121241 is an apocalyptic number.

It is an amenable number.

151121241 is a deficient number, since it is larger than the sum of its proper divisors (73605159).

151121241 is a wasteful number, since it uses less digits than its factorization.

151121241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21085 (or 21079 counting only the distinct ones).

The product of its digits is 80, while the sum is 18.

The square root of 151121241 is about 12293.1379639212. The cubic root of 151121241 is about 532.6498844095.

Adding to 151121241 its reverse (142121151), we get a palindrome (293242392).

The spelling of 151121241 in words is "one hundred fifty-one million, one hundred twenty-one thousand, two hundred forty-one".

Divisors: 1 3 9 27 269 807 2421 7263 20807 62421 187263 561789 5597083 16791249 50373747 151121241