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150031123 = 1129470317
BaseRepresentation
bin10001111000101…
…00101100010011
3101110022101000021
420330110230103
5301401443443
622515404311
73501146344
oct1074245423
9343271007
10150031123
1177763670
12422b3697
1325110118
1415cd60cb
15d2889ed
hex8f14b13

150031123 has 8 divisors (see below), whose sum is σ = 169314480. Its totient is φ = 131688480.

The previous prime is 150031121. The next prime is 150031153. The reversal of 150031123 is 321130051.

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

It is not a de Polignac number, because 150031123 - 21 = 150031121 is a prime.

It is a super-2 number, since 2×1500311232 = 45018675737282258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 150031097 and 150031106.

It is not an unprimeable number, because it can be changed into a prime (150031121) 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 7 ways as a sum of consecutive naturals, for example, 234840 + ... + 235477.

It is an arithmetic number, because the mean of its divisors is an integer number (21164310).

Almost surely, 2150031123 is an apocalyptic number.

150031123 is a deficient number, since it is larger than the sum of its proper divisors (19283357).

150031123 is a wasteful number, since it uses less digits than its factorization.

150031123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470357.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 150031123 is about 12248.7192391695. The cubic root of 150031123 is about 531.3660299641.

Adding to 150031123 its reverse (321130051), we get a palindrome (471161174).

It can be divided in two parts, 1500 and 31123, that added together give a palindrome (32623).

The spelling of 150031123 in words is "one hundred fifty million, thirty-one thousand, one hundred twenty-three".

Divisors: 1 11 29 319 470317 5173487 13639193 150031123