Base | Representation |
---|---|
bin | 10010001111011… |
… | …10011011011011 |
3 | 101122221020010222 |
4 | 21013232123123 |
5 | 303133120443 |
6 | 23103430255 |
7 | 3535435544 |
oct | 1107563333 |
9 | 348836128 |
10 | 153020123 |
11 | 79415313 |
12 | 432b538b |
13 | 25918769 |
14 | 164734cb |
15 | d679468 |
hex | 91ee6db |
153020123 has 16 divisors (see below), whose sum is σ = 164597760. Its totient is φ = 141976800.
The previous prime is 153020117. The next prime is 153020137. The reversal of 153020123 is 321020351.
It is a cyclic number.
It is not a de Polignac number, because 153020123 - 26 = 153020059 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (153020143) 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 15 ways as a sum of consecutive naturals, for example, 80498 + ... + 82376.
It is an arithmetic number, because the mean of its divisors is an integer number (10287360).
Almost surely, 2153020123 is an apocalyptic number.
153020123 is a deficient number, since it is larger than the sum of its proper divisors (11577637).
153020123 is a wasteful number, since it uses less digits than its factorization.
153020123 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2018.
The product of its (nonzero) digits is 180, while the sum is 17.
The square root of 153020123 is about 12370.1302741725. The cubic root of 153020123 is about 534.8715713505.
Adding to 153020123 its reverse (321020351), we get a palindrome (474040474).
The spelling of 153020123 in words is "one hundred fifty-three million, twenty thousand, one hundred twenty-three".
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