Base | Representation |
---|---|
bin | 101010101000101111… |
… | …011110100111101101 |
3 | 11101011112110002101100 |
4 | 222220233132213231 |
5 | 1222224324111222 |
6 | 33010435033313 |
7 | 3210326312415 |
oct | 525057364755 |
9 | 141145402340 |
10 | 45780691437 |
11 | 18463009088 |
12 | 8a57a3b839 |
13 | 4417893540 |
14 | 230420d645 |
15 | 12ce24e4ac |
hex | aa8bde9ed |
45780691437 has 54 divisors (see below), whose sum is σ = 72240573678. Its totient is φ = 27772524000.
The previous prime is 45780691421. The next prime is 45780691529. The reversal of 45780691437 is 73419608754.
45780691437 is a `hidden beast` number, since 4 + 578 + 0 + 69 + 1 + 4 + 3 + 7 = 666.
It can be written as a sum of positive squares in only one way, i.e., 31694324841 + 14086366596 = 178029^2 + 118686^2 .
It is not a de Polignac number, because 45780691437 - 24 = 45780691421 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (45780691837) by changing a digit.
It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 303183312 + ... + 303183462.
Almost surely, 245780691437 is an apocalyptic number.
It is an amenable number.
45780691437 is a deficient number, since it is larger than the sum of its proper divisors (26459882241).
45780691437 is a wasteful number, since it uses less digits than its factorization.
45780691437 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 583 (or 298 counting only the distinct ones).
The product of its (nonzero) digits is 5080320, while the sum is 54.
The spelling of 45780691437 in words is "forty-five billion, seven hundred eighty million, six hundred ninety-one thousand, four hundred thirty-seven".
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