Base | Representation |
---|---|
bin | 1001101001100101… |
… | …10111111110001011 |
3 | 111101001102210102000 |
4 | 10310302313332023 |
5 | 41102231001422 |
6 | 2214024442043 |
7 | 242245245663 |
oct | 46462677613 |
9 | 14331383360 |
10 | 5180718987 |
11 | 2219420944 |
12 | 1007019323 |
13 | 647424ac2 |
14 | 3720a51a3 |
15 | 204c52cac |
hex | 134cb7f8b |
5180718987 has 8 divisors (see below), whose sum is σ = 7675139280. Its totient is φ = 3453812640.
The previous prime is 5180718967. The next prime is 5180719003. The reversal of 5180718987 is 7898170815.
It is not a de Polignac number, because 5180718987 - 211 = 5180716939 is a prime.
It is not an unprimeable number, because it can be changed into a prime (5180718937) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95939214 + ... + 95939267.
It is an arithmetic number, because the mean of its divisors is an integer number (959392410).
Almost surely, 25180718987 is an apocalyptic number.
5180718987 is a deficient number, since it is larger than the sum of its proper divisors (2494420293).
5180718987 is a wasteful number, since it uses less digits than its factorization.
5180718987 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 191878490 (or 191878484 counting only the distinct ones).
The product of its (nonzero) digits is 1128960, while the sum is 54.
The square root of 5180718987 is about 71977.2115811664. The cubic root of 5180718987 is about 1730.3342807993.
The spelling of 5180718987 in words is "five billion, one hundred eighty million, seven hundred eighteen thousand, nine hundred eighty-seven".
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