Base | Representation |
---|---|
bin | 111010101011101… |
… | …0010101100010100 |
3 | 12002020002121021220 |
4 | 1311113102230110 |
5 | 13013033241043 |
6 | 523215210340 |
7 | 66536364555 |
oct | 16527225424 |
9 | 5066077256 |
10 | 1969040148 |
11 | 920521009 |
12 | 46b5169b0 |
13 | 254c2751a |
14 | 14971a32c |
15 | b7ce9483 |
hex | 755d2b14 |
1969040148 has 24 divisors (see below), whose sum is σ = 4836239520. Its totient is φ = 621802080.
The previous prime is 1969040107. The next prime is 1969040179. The reversal of 1969040148 is 8410409691.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4317843 + ... + 4318298.
It is an arithmetic number, because the mean of its divisors is an integer number (201509980).
Almost surely, 21969040148 is an apocalyptic number.
It is an amenable number.
1969040148 is an abundant number, since it is smaller than the sum of its proper divisors (2867199372).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1969040148 is a wasteful number, since it uses less digits than its factorization.
1969040148 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8636167 (or 8636165 counting only the distinct ones).
The product of its (nonzero) digits is 62208, while the sum is 42.
The square root of 1969040148 is about 44373.8678503463. The cubic root of 1969040148 is about 1253.3860510181.
The spelling of 1969040148 in words is "one billion, nine hundred sixty-nine million, forty thousand, one hundred forty-eight".
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