Base | Representation |
---|---|
bin | 1110100011110… |
… | …01000010001010 |
3 | 22111210212122110 |
4 | 13101321002022 |
5 | 222231134240 |
6 | 20041403150 |
7 | 3012043542 |
oct | 721710212 |
9 | 274725573 |
10 | 122130570 |
11 | 62a37561 |
12 | 34a994b6 |
13 | 1c3c1913 |
14 | 12312322 |
15 | aac6c80 |
hex | 747908a |
122130570 has 16 divisors (see below), whose sum is σ = 293113440. Its totient is φ = 32568144.
The previous prime is 122130559. The next prime is 122130577. The reversal of 122130570 is 75031221.
It is a super-2 number, since 2×1221305702 = 29831752257049800, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (122130577) 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, 2035480 + ... + 2035539.
It is an arithmetic number, because the mean of its divisors is an integer number (18319590).
Almost surely, 2122130570 is an apocalyptic number.
122130570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
122130570 is an abundant number, since it is smaller than the sum of its proper divisors (170982870).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122130570 is a wasteful number, since it uses less digits than its factorization.
122130570 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4071029.
The product of its (nonzero) digits is 420, while the sum is 21.
The square root of 122130570 is about 11051.2700627575. The cubic root of 122130570 is about 496.1444390519.
Adding to 122130570 its reverse (75031221), we get a palindrome (197161791).
It can be divided in two parts, 122130 and 570, that multiplied together give a triangular number (69614100 = T11799).
The spelling of 122130570 in words is "one hundred twenty-two million, one hundred thirty thousand, five hundred seventy".
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