Base | Representation |
---|---|
bin | 1000111001010001001… |
… | …0001011000111101101 |
3 | 112121102201002000010000 |
4 | 2032110102023013231 |
5 | 10000424240204334 |
6 | 154111203534513 |
7 | 14016546400125 |
oct | 2162422130755 |
9 | 477381060100 |
10 | 152811647469 |
11 | 59897211548 |
12 | 2574838a439 |
13 | 11543c270a0 |
14 | 7578d67c85 |
15 | 3e9586a299 |
hex | 239448b1ed |
152811647469 has 20 divisors (see below), whose sum is σ = 245833744156. Its totient is φ = 94037936256.
The previous prime is 152811647441. The next prime is 152811647489. The reversal of 152811647469 is 964746118251.
152811647469 is a `hidden beast` number, since 1 + 5 + 28 + 116 + 47 + 469 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 98970014025 + 53841633444 = 314595^2 + 232038^2 .
It is not a de Polignac number, because 152811647469 - 29 = 152811646957 is a prime.
It is a super-2 number, since 2×1528116474692 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (152811647489) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 72559084 + ... + 72561189.
Almost surely, 2152811647469 is an apocalyptic number.
It is an amenable number.
152811647469 is a deficient number, since it is larger than the sum of its proper divisors (93022096687).
152811647469 is a wasteful number, since it uses less digits than its factorization.
152811647469 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 145120298 (or 145120289 counting only the distinct ones).
The product of its digits is 2903040, while the sum is 54.
The spelling of 152811647469 in words is "one hundred fifty-two billion, eight hundred eleven million, six hundred forty-seven thousand, four hundred sixty-nine".
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