Base | Representation |
---|---|
bin | 101111110110100000… |
… | …111011101100001111 |
3 | 11220121210102020101122 |
4 | 233312200323230033 |
5 | 1320211344442440 |
6 | 35334233431155 |
7 | 3466153530146 |
oct | 576640735417 |
9 | 156553366348 |
10 | 51380468495 |
11 | 1a876a31504 |
12 | 9b5b26b4bb |
13 | 4acaa703a5 |
14 | 26b5bda75d |
15 | 150ab7c7b5 |
hex | bf683bb0f |
51380468495 has 8 divisors (see below), whose sum is σ = 61811870784. Its totient is φ = 41000835744.
The previous prime is 51380468473. The next prime is 51380468563. The reversal of 51380468495 is 59486408315.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 51380468495 - 26 = 51380468431 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12940199 + ... + 12944168.
It is an arithmetic number, because the mean of its divisors is an integer number (7726483848).
Almost surely, 251380468495 is an apocalyptic number.
51380468495 is a deficient number, since it is larger than the sum of its proper divisors (10431402289).
51380468495 is a wasteful number, since it uses less digits than its factorization.
51380468495 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25884769.
The product of its (nonzero) digits is 4147200, while the sum is 53.
The spelling of 51380468495 in words is "fifty-one billion, three hundred eighty million, four hundred sixty-eight thousand, four hundred ninety-five".
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