Base | Representation |
---|---|
bin | 101111100011011010… |
… | …1011011110101100110 |
3 | 100202120221001211101002 |
4 | 1133012311123311212 |
5 | 3133120224103410 |
6 | 114525141033302 |
7 | 10243426622006 |
oct | 1370665336546 |
9 | 322527054332 |
10 | 102120144230 |
11 | 3a344182915 |
12 | 1795b9b5832 |
13 | 9825b31560 |
14 | 4d2a872006 |
15 | 29ca4307a5 |
hex | 17c6d5bd66 |
102120144230 has 16 divisors (see below), whose sum is σ = 197955972144. Its totient is φ = 37705899360.
The previous prime is 102120144209. The next prime is 102120144251. The reversal of 102120144230 is 32441021201.
It is an interprime number because it is at equal distance from previous prime (102120144209) and next prime (102120144251).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392769656 + ... + 392769915.
It is an arithmetic number, because the mean of its divisors is an integer number (12372248259).
Almost surely, 2102120144230 is an apocalyptic number.
102120144230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
102120144230 is a deficient number, since it is larger than the sum of its proper divisors (95835827914).
102120144230 is a wasteful number, since it uses less digits than its factorization.
102120144230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 785539591.
The product of its (nonzero) digits is 384, while the sum is 20.
Adding to 102120144230 its reverse (32441021201), we get a palindrome (134561165431).
The spelling of 102120144230 in words is "one hundred two billion, one hundred twenty million, one hundred forty-four thousand, two hundred thirty".
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