Base | Representation |
---|---|
bin | 10011011000101101111111… |
… | …01000001111000011100111 |
3 | 12120221110110100011121012101 |
4 | 21230112333220033003213 |
5 | 21041430301421032422 |
6 | 230400145301032531 |
7 | 11656654052051224 |
oct | 1154267750170347 |
9 | 176843410147171 |
10 | 42630765408487 |
11 | 12646673767183 |
12 | 49461650b5747 |
13 | 1aa30aa5b2449 |
14 | a754a917a94b |
15 | 4dddcd983c27 |
hex | 26c5bfa0f0e7 |
42630765408487 has 4 divisors (see below), whose sum is σ = 42782476317696. Its totient is φ = 42479054499280.
The previous prime is 42630765408481. The next prime is 42630765408503. The reversal of 42630765408487 is 78480456703624.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 42630765408487 - 215 = 42630765375719 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42630765408481) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75855454183 + ... + 75855454744.
It is an arithmetic number, because the mean of its divisors is an integer number (10695619079424).
Almost surely, 242630765408487 is an apocalyptic number.
42630765408487 is a deficient number, since it is larger than the sum of its proper divisors (151710909209).
42630765408487 is a wasteful number, since it uses less digits than its factorization.
42630765408487 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 151710909208.
The product of its (nonzero) digits is 216760320, while the sum is 64.
The spelling of 42630765408487 in words is "forty-two trillion, six hundred thirty billion, seven hundred sixty-five million, four hundred eight thousand, four hundred eighty-seven".
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