Base | Representation |
---|---|
bin | 11100100100000110… |
… | …001111110101000000 |
3 | 2221011110202011120110 |
4 | 130210012033311000 |
5 | 1000303104413134 |
6 | 22031220511320 |
7 | 2134020000255 |
oct | 344406176500 |
9 | 87143664513 |
10 | 30670388544 |
11 | 120096a8954 |
12 | 5b3b54b540 |
13 | 2b7a237303 |
14 | 16ad4b542c |
15 | be78ec7e9 |
hex | 72418fd40 |
30670388544 has 56 divisors (see below), whose sum is σ = 85419732640. Its totient is φ = 9685384704.
The previous prime is 30670388527. The next prime is 30670388597. The reversal of 30670388544 is 44588307603.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a junction number, because it is equal to n+sod(n) for n = 30670388493 and 30670388502.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4200079 + ... + 4207374.
Almost surely, 230670388544 is an apocalyptic number.
It is an amenable number.
30670388544 is an abundant number, since it is smaller than the sum of its proper divisors (54749344096).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30670388544 is a wasteful number, since it uses less digits than its factorization.
30670388544 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8407487 (or 8407477 counting only the distinct ones).
The product of its (nonzero) digits is 1935360, while the sum is 48.
The spelling of 30670388544 in words is "thirty billion, six hundred seventy million, three hundred eighty-eight thousand, five hundred forty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •