Base | Representation |
---|---|
bin | 10010111110001001… |
… | …011101001110011000 |
3 | 1221120121210012012110 |
4 | 102332021131032120 |
5 | 313204211103344 |
6 | 13205144112320 |
7 | 1320534210102 |
oct | 227611351630 |
9 | 57517705173 |
10 | 20370019224 |
11 | 8703387a35 |
12 | 3b45a656a0 |
13 | 1bc824cc19 |
14 | db34c4572 |
15 | 7e34ab3b9 |
hex | 4be25d398 |
20370019224 has 32 divisors (see below), whose sum is σ = 52681086000. Its totient is φ = 6555868032.
The previous prime is 20370019223. The next prime is 20370019289. The reversal of 20370019224 is 42291007302.
It is a super-2 number, since 2×203700192242 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20370019191 and 20370019200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20370019223) 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, 14632939 + ... + 14634330.
Almost surely, 220370019224 is an apocalyptic number.
20370019224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
20370019224 is an abundant number, since it is smaller than the sum of its proper divisors (32311066776).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20370019224 is a wasteful number, since it uses less digits than its factorization.
20370019224 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29267307 (or 29267303 counting only the distinct ones).
The product of its (nonzero) digits is 6048, while the sum is 30.
The spelling of 20370019224 in words is "twenty billion, three hundred seventy million, nineteen thousand, two hundred twenty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •