Base | Representation |
---|---|
bin | 10010010000001… |
… | …11110000111101 |
3 | 101200010111111121 |
4 | 21020013300331 |
5 | 303144431101 |
6 | 23105550541 |
7 | 3536350240 |
oct | 1110076075 |
9 | 350114447 |
10 | 153123901 |
11 | 79486287 |
12 | 43345451 |
13 | 25953a78 |
14 | 1649d257 |
15 | d69a0a1 |
hex | 9207c3d |
153123901 has 4 divisors (see below), whose sum is σ = 174998752. Its totient is φ = 131249052.
The previous prime is 153123881. The next prime is 153123917. The reversal of 153123901 is 109321351.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 153123901 - 29 = 153123389 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (153123991) 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 3 ways as a sum of consecutive naturals, for example, 10937415 + ... + 10937428.
It is an arithmetic number, because the mean of its divisors is an integer number (43749688).
Almost surely, 2153123901 is an apocalyptic number.
It is an amenable number.
153123901 is a deficient number, since it is larger than the sum of its proper divisors (21874851).
153123901 is an equidigital number, since it uses as much as digits as its factorization.
153123901 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21874850.
The product of its (nonzero) digits is 810, while the sum is 25.
The square root of 153123901 is about 12374.3242643790. The cubic root of 153123901 is about 534.9924603706.
The spelling of 153123901 in words is "one hundred fifty-three million, one hundred twenty-three thousand, nine hundred one".
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