Base | Representation |
---|---|
bin | 10010001000101010… |
… | …000000001011110000 |
3 | 1212021002002121220001 |
4 | 102020222000023300 |
5 | 304334440100420 |
6 | 12540124555344 |
7 | 1256356132141 |
oct | 221052001360 |
9 | 55232077801 |
10 | 19472581360 |
11 | 8292845651 |
12 | 39353b2b54 |
13 | 1ab43427bb |
14 | d2a233ac8 |
15 | 78e7d8b0a |
hex | 488a802f0 |
19472581360 has 80 divisors (see below), whose sum is σ = 45567735264. Its totient is φ = 7738638336.
The previous prime is 19472581301. The next prime is 19472581393. The reversal of 19472581360 is 6318527491.
It is a tau number, because it is divible by the number of its divisors (80).
It is a self number, because there is not a number n which added to its sum of digits gives 19472581360.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8838019 + ... + 8840221.
It is a 2-persistent number, because it is pandigital, and so is 2⋅19472581360 = 38945162720, but 3⋅19472581360 = 58417744080 is not.
Almost surely, 219472581360 is an apocalyptic number.
19472581360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
19472581360 is an abundant number, since it is smaller than the sum of its proper divisors (26095153904).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19472581360 is a wasteful number, since it uses less digits than its factorization.
19472581360 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2882 (or 2876 counting only the distinct ones).
The product of its (nonzero) digits is 362880, while the sum is 46.
The spelling of 19472581360 in words is "nineteen billion, four hundred seventy-two million, five hundred eighty-one thousand, three hundred sixty".
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