Base | Representation |
---|---|
bin | 1101010001101000001… |
… | …0101011101111111110 |
3 | 210210200121021110110212 |
4 | 3110122002223233332 |
5 | 12214041431142130 |
6 | 252435103232422 |
7 | 22322535345020 |
oct | 3243202535776 |
9 | 723617243425 |
10 | 228070177790 |
11 | 887a6740244 |
12 | 382502a8712 |
13 | 1867893b630 |
14 | b0780dc010 |
15 | 5dec94de95 |
hex | 351a0abbfe |
228070177790 has 64 divisors (see below), whose sum is σ = 506369695104. Its totient is φ = 72022376448.
The previous prime is 228070177757. The next prime is 228070177793. The reversal of 228070177790 is 97771070822.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (228070177793) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141662 + ... + 690078.
It is an arithmetic number, because the mean of its divisors is an integer number (7912026486).
Almost surely, 2228070177790 is an apocalyptic number.
228070177790 is an abundant number, since it is smaller than the sum of its proper divisors (278299517314).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228070177790 is a wasteful number, since it uses less digits than its factorization.
228070177790 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 548901.
The product of its (nonzero) digits is 691488, while the sum is 50.
The spelling of 228070177790 in words is "two hundred twenty-eight billion, seventy million, one hundred seventy-seven thousand, seven hundred ninety".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •