Base | Representation |
---|---|
bin | 111010000011110… |
… | …0001101101010110 |
3 | 12000202202021010221 |
4 | 1310013201231112 |
5 | 12442210131014 |
6 | 521151104554 |
7 | 66163555456 |
oct | 16407415526 |
9 | 5022667127 |
10 | 1948130134 |
11 | 90a73a005 |
12 | 46451215a |
13 | 2507b5b32 |
14 | 146a35d66 |
15 | b6068b24 |
hex | 741e1b56 |
1948130134 has 4 divisors (see below), whose sum is σ = 2922195204. Its totient is φ = 974065066.
The previous prime is 1948130131. The next prime is 1948130141. The reversal of 1948130134 is 4310318491.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4310318491 = 19699 ⋅218809.
It is a super-2 number, since 2×19481301342 = 7590422037997715912, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1948130134.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1948130131) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487032532 + ... + 487032535.
It is an arithmetic number, because the mean of its divisors is an integer number (730548801).
Almost surely, 21948130134 is an apocalyptic number.
1948130134 is a deficient number, since it is larger than the sum of its proper divisors (974065070).
1948130134 is an equidigital number, since it uses as much as digits as its factorization.
1948130134 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 974065069.
The product of its (nonzero) digits is 10368, while the sum is 34.
The square root of 1948130134 is about 44137.6271904143. The cubic root of 1948130134 is about 1248.9335189400.
The spelling of 1948130134 in words is "one billion, nine hundred forty-eight million, one hundred thirty thousand, one hundred thirty-four".
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