Base | Representation |
---|---|
bin | 101110110110110… |
… | …0000110110100010 |
3 | 11001120101122120220 |
4 | 1131231200312202 |
5 | 11204441242010 |
6 | 420001543510 |
7 | 53650403556 |
oct | 13555406642 |
9 | 4046348526 |
10 | 1572212130 |
11 | 737522275 |
12 | 37a644b96 |
13 | 1c0956948 |
14 | 10cb3d866 |
15 | 93060970 |
hex | 5db60da2 |
1572212130 has 32 divisors (see below), whose sum is σ = 3797354304. Its totient is φ = 416584896.
The previous prime is 1572212093. The next prime is 1572212153. The reversal of 1572212130 is 312122751.
It is a self number, because there is not a number n which added to its sum of digits gives 1572212130.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162192 + ... + 171611.
It is an arithmetic number, because the mean of its divisors is an integer number (118667322).
Almost surely, 21572212130 is an apocalyptic number.
1572212130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1572212130 is an abundant number, since it is smaller than the sum of its proper divisors (2225142174).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1572212130 is a wasteful number, since it uses less digits than its factorization.
1572212130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 333970.
The product of its (nonzero) digits is 840, while the sum is 24.
The square root of 1572212130 is about 39651.1302487079. The cubic root of 1572212130 is about 1162.7964955367.
Adding to 1572212130 its reverse (312122751), we get a palindrome (1884334881).
The spelling of 1572212130 in words is "one billion, five hundred seventy-two million, two hundred twelve thousand, one hundred thirty".
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