Base | Representation |
---|---|
bin | 110111101110111… |
… | …1100100010101010 |
3 | 11211022221222220120 |
4 | 1233131330202222 |
5 | 12312222334010 |
6 | 505323104110 |
7 | 64225524123 |
oct | 15735744252 |
9 | 4738858816 |
10 | 1870121130 |
11 | 87a6a8759 |
12 | 442372036 |
13 | 23a5a1a67 |
14 | 13a52b04a |
15 | ae2a9e70 |
hex | 6f77c8aa |
1870121130 has 16 divisors (see below), whose sum is σ = 4488290784. Its totient is φ = 498698960.
The previous prime is 1870121111. The next prime is 1870121147. The reversal of 1870121130 is 311210781.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 1870121130.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31168656 + ... + 31168715.
It is an arithmetic number, because the mean of its divisors is an integer number (280518174).
Almost surely, 21870121130 is an apocalyptic number.
1870121130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1870121130 is an abundant number, since it is smaller than the sum of its proper divisors (2618169654).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1870121130 is a wasteful number, since it uses less digits than its factorization.
1870121130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 62337381.
The product of its (nonzero) digits is 336, while the sum is 24.
The square root of 1870121130 is about 43244.8971556183. The cubic root of 1870121130 is about 1232.0355678753.
The spelling of 1870121130 in words is "one billion, eight hundred seventy million, one hundred twenty-one thousand, one hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.094 sec. • engine limits •