Base | Representation |
---|---|
bin | 10001110010000001… |
… | …010011111000011001 |
3 | 1211021121111111220120 |
4 | 101302001103320121 |
5 | 303100230043020 |
6 | 12434321143453 |
7 | 1244065152540 |
oct | 216201237031 |
9 | 54247444816 |
10 | 19092815385 |
11 | 810843a876 |
12 | 384a18ab89 |
13 | 1a53766cc7 |
14 | cd1a19157 |
15 | 76b2c0740 |
hex | 472053e19 |
19092815385 has 32 divisors (see below), whose sum is σ = 34920979200. Its totient is φ = 8726043648.
The previous prime is 19092815351. The next prime is 19092815393. The reversal of 19092815385 is 58351829091.
It is not a de Polignac number, because 19092815385 - 26 = 19092815321 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 468589 + ... + 507701.
It is an arithmetic number, because the mean of its divisors is an integer number (1091280600).
Almost surely, 219092815385 is an apocalyptic number.
19092815385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
19092815385 is a deficient number, since it is larger than the sum of its proper divisors (15828163815).
19092815385 is a wasteful number, since it uses less digits than its factorization.
19092815385 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43777.
The product of its (nonzero) digits is 777600, while the sum is 51.
The spelling of 19092815385 in words is "nineteen billion, ninety-two million, eight hundred fifteen thousand, three hundred eighty-five".
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