Base | Representation |
---|---|
bin | 1000000101100010… |
… | …0111101111110000 |
3 | 12121021120202100022 |
4 | 2001120213233300 |
5 | 13421200340440 |
6 | 555221543012 |
7 | 104535526340 |
oct | 20130475760 |
9 | 5537522308 |
10 | 2170715120 |
11 | a14348442 |
12 | 506b74a68 |
13 | 28794a022 |
14 | 168416d20 |
15 | ca884cb5 |
hex | 81627bf0 |
2170715120 has 40 divisors (see below), whose sum is σ = 5767901664. Its totient is φ = 744244992.
The previous prime is 2170715093. The next prime is 2170715123. The reversal of 2170715120 is 215170712.
It is a tau number, because it is divible by the number of its divisors (40).
It is a super-2 number, since 2×21707151202 = 9424008264393228800, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 2170715120.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2170715123) 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, 1937579 + ... + 1938698.
Almost surely, 22170715120 is an apocalyptic number.
2170715120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2170715120 is an abundant number, since it is smaller than the sum of its proper divisors (3597186544).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2170715120 is a wasteful number, since it uses less digits than its factorization.
2170715120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3876297 (or 3876291 counting only the distinct ones).
The product of its (nonzero) digits is 980, while the sum is 26.
The square root of 2170715120 is about 46590.9338820333. The cubic root of 2170715120 is about 1294.7947916518.
Adding to 2170715120 its reverse (215170712), we get a palindrome (2385885832).
The spelling of 2170715120 in words is "two billion, one hundred seventy million, seven hundred fifteen thousand, one hundred twenty".
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