Base | Representation |
---|---|
bin | 101101011011100111… |
… | …010101111101000011 |
3 | 11122220200100010101121 |
4 | 231123213111331003 |
5 | 1244401102233301 |
6 | 34224320413111 |
7 | 3344566304500 |
oct | 553347257503 |
9 | 148820303347 |
10 | 48781680451 |
11 | 19762a94599 |
12 | 9554a77197 |
13 | 47a5532c9a |
14 | 250a9d24a7 |
15 | 140793b3a1 |
hex | b5b9d5f43 |
48781680451 has 18 divisors (see below), whose sum is σ = 56877856980. Its totient is φ = 41715960552.
The previous prime is 48781680449. The next prime is 48781680469. The reversal of 48781680451 is 15408618784.
It is not a de Polignac number, because 48781680451 - 21 = 48781680449 is a prime.
It is not an unprimeable number, because it can be changed into a prime (48781680401) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11240440 + ... + 11244778.
Almost surely, 248781680451 is an apocalyptic number.
48781680451 is a deficient number, since it is larger than the sum of its proper divisors (8096176529).
48781680451 is an frugal number, since it uses more digits than its factorization.
48781680451 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5311 (or 4825 counting only the distinct ones).
The product of its (nonzero) digits is 1720320, while the sum is 52.
The spelling of 48781680451 in words is "forty-eight billion, seven hundred eighty-one million, six hundred eighty thousand, four hundred fifty-one".
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