Base | Representation |
---|---|
bin | 11001110110010001… |
… | …10100111001101001 |
3 | 1022211010011021022211 |
4 | 30323020310321221 |
5 | 211410012241330 |
6 | 10213001445121 |
7 | 1000613106205 |
oct | 147310647151 |
9 | 38733137284 |
10 | 13877071465 |
11 | 5981277204 |
12 | 28334a07a1 |
13 | 1401ccacba |
14 | 959037b05 |
15 | 56344ed2a |
hex | 33b234e69 |
13877071465 has 8 divisors (see below), whose sum is σ = 16692042888. Its totient is φ = 11075285760.
The previous prime is 13877071393. The next prime is 13877071489. The reversal of 13877071465 is 56417077831.
It can be written as a sum of positive squares in 4 ways, for example, as 502611561 + 13374459904 = 22419^2 + 115648^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13877071465 - 27 = 13877071337 is a prime.
It is a super-2 number, since 2×138770714652 (a number of 21 digits) contains 22 as substring.
It is a Duffinian 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, 3294112 + ... + 3298321.
It is an arithmetic number, because the mean of its divisors is an integer number (2086505361).
Almost surely, 213877071465 is an apocalyptic number.
It is an amenable number.
13877071465 is a deficient number, since it is larger than the sum of its proper divisors (2814971423).
13877071465 is an equidigital number, since it uses as much as digits as its factorization.
13877071465 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6592859.
The product of its (nonzero) digits is 987840, while the sum is 49.
The spelling of 13877071465 in words is "thirteen billion, eight hundred seventy-seven million, seventy-one thousand, four hundred sixty-five".
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