Base | Representation |
---|---|
bin | 1110011010010… |
… | …01011110011101 |
3 | 22102110201001121 |
4 | 13031021132131 |
5 | 221421342242 |
6 | 15555010541 |
7 | 2665344544 |
oct | 715113635 |
9 | 272421047 |
10 | 120887197 |
11 | 62268382 |
12 | 34599a51 |
13 | 1c0779b2 |
14 | 120ab15b |
15 | a92d667 |
hex | 734979d |
120887197 has 8 divisors (see below), whose sum is σ = 126498560. Its totient is φ = 115382880.
The previous prime is 120887191. The next prime is 120887219. The reversal of 120887197 is 791788021.
It is a happy number.
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 120887197 - 23 = 120887189 is a prime.
It is a super-2 number, since 2×1208871972 = 29227428797033618, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120887191) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24447 + ... + 28972.
It is an arithmetic number, because the mean of its divisors is an integer number (15812320).
Almost surely, 2120887197 is an apocalyptic number.
It is an amenable number.
120887197 is a deficient number, since it is larger than the sum of its proper divisors (5611363).
120887197 is an equidigital number, since it uses as much as digits as its factorization.
120887197 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53523.
The product of its (nonzero) digits is 56448, while the sum is 43.
The square root of 120887197 is about 10994.8713953370. The cubic root of 120887197 is about 494.4549958481.
The spelling of 120887197 in words is "one hundred twenty million, eight hundred eighty-seven thousand, one hundred ninety-seven".
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