Base | Representation |
---|---|
bin | 10001110011001011… |
… | …001110001000110100 |
3 | 1211022221221212121000 |
4 | 101303023032020310 |
5 | 303120210044031 |
6 | 12440252323300 |
7 | 1244421640026 |
oct | 216313161064 |
9 | 54287855530 |
10 | 19112190516 |
11 | 8118373681 |
12 | 3854773530 |
13 | 1a5778bb93 |
14 | cd4420016 |
15 | 76cd4b3e6 |
hex | 4732ce234 |
19112190516 has 72 divisors (see below), whose sum is σ = 52295389440. Its totient is φ = 6035416272.
The previous prime is 19112190511. The next prime is 19112190533. The reversal of 19112190516 is 61509121191.
19112190516 is a `hidden beast` number, since 19 + 1 + 121 + 9 + 0 + 516 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19112190511) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 206116 + ... + 284091.
Almost surely, 219112190516 is an apocalyptic number.
It is an amenable number.
19112190516 is an abundant number, since it is smaller than the sum of its proper divisors (33183198924).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19112190516 is a wasteful number, since it uses less digits than its factorization.
19112190516 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 490258 (or 490231 counting only the distinct ones).
The product of its (nonzero) digits is 4860, while the sum is 36.
It can be divided in two parts, 19112 and 190516, that added together give a triangular number (209628 = T647).
The spelling of 19112190516 in words is "nineteen billion, one hundred twelve million, one hundred ninety thousand, five hundred sixteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •