Base | Representation |
---|---|
bin | 10010010111001100… |
… | …101011010101110000 |
3 | 1212220002011121202110 |
4 | 102113030223111300 |
5 | 310334414131143 |
6 | 13020242045320 |
7 | 1265410633014 |
oct | 222714532560 |
9 | 55802147673 |
10 | 19716552048 |
11 | 83a8530416 |
12 | 39a3049840 |
13 | 1b22a53a5b |
14 | d507c0544 |
15 | 7a5e2b533 |
hex | 49732b570 |
19716552048 has 80 divisors (see below), whose sum is σ = 53569714176. Its totient is φ = 6240149760.
The previous prime is 19716552047. The next prime is 19716552067. The reversal of 19716552048 is 84025561791.
It is a happy number.
It is a super-2 number, since 2×197165520482 (a number of 21 digits) contains 22 as substring.
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 = 19716551988 and 19716552006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19716552047) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46140 + ... + 203867.
Almost surely, 219716552048 is an apocalyptic number.
It is an amenable number.
19716552048 is an abundant number, since it is smaller than the sum of its proper divisors (33853162128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19716552048 is a wasteful number, since it uses less digits than its factorization.
19716552048 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 250102 (or 250096 counting only the distinct ones).
The product of its (nonzero) digits is 604800, while the sum is 48.
The spelling of 19716552048 in words is "nineteen billion, seven hundred sixteen million, five hundred fifty-two thousand, forty-eight".
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