Base | Representation |
---|---|
bin | 10010011010010111… |
… | …101100000000011110 |
3 | 1220000210022101002020 |
4 | 102122113230000132 |
5 | 310442030120024 |
6 | 13025422441010 |
7 | 1266625162311 |
oct | 223227540036 |
9 | 56023271066 |
10 | 19769770014 |
11 | 8425579905 |
12 | 39b8a33166 |
13 | 1b30a97a87 |
14 | d578b4978 |
15 | 7aa93e979 |
hex | 49a5ec01e |
19769770014 has 96 divisors (see below), whose sum is σ = 42128247840. Its totient is φ = 6183530496.
The previous prime is 19769769989. The next prime is 19769770019. The reversal of 19769770014 is 41007796791.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19769770019) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48336642 + ... + 48337050.
It is an arithmetic number, because the mean of its divisors is an integer number (438835915).
Almost surely, 219769770014 is an apocalyptic number.
19769770014 is an abundant number, since it is smaller than the sum of its proper divisors (22358477826).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19769770014 is a wasteful number, since it uses less digits than its factorization.
19769770014 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 714 (or 691 counting only the distinct ones).
The product of its (nonzero) digits is 666792, while the sum is 51.
The spelling of 19769770014 in words is "nineteen billion, seven hundred sixty-nine million, seven hundred seventy thousand, fourteen".
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