Base | Representation |
---|---|
bin | 110111111101010111… |
… | …0100010110011001101 |
3 | 102111011220020010002121 |
4 | 1233322232202303031 |
5 | 3432102134402112 |
6 | 131112225252541 |
7 | 11452640302045 |
oct | 1577256426315 |
9 | 374156203077 |
10 | 120170622157 |
11 | 46a67202073 |
12 | 1b358a94151 |
13 | b441656921 |
14 | 5b5dc7c725 |
15 | 31d4e5a407 |
hex | 1bfaba2ccd |
120170622157 has 8 divisors (see below), whose sum is σ = 125398927296. Its totient is φ = 114942608352.
The previous prime is 120170622149. The next prime is 120170622263. The reversal of 120170622157 is 751226071021.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 120170622157 - 23 = 120170622149 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 (120170622557) by changing a digit.
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, 1430638 + ... + 1512304.
It is an arithmetic number, because the mean of its divisors is an integer number (15674865912).
Almost surely, 2120170622157 is an apocalyptic number.
It is an amenable number.
120170622157 is a deficient number, since it is larger than the sum of its proper divisors (5228305139).
120170622157 is an equidigital number, since it uses as much as digits as its factorization.
120170622157 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 145667.
The product of its (nonzero) digits is 11760, while the sum is 34.
Adding to 120170622157 its reverse (751226071021), we get a palindrome (871396693178).
The spelling of 120170622157 in words is "one hundred twenty billion, one hundred seventy million, six hundred twenty-two thousand, one hundred fifty-seven".
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