Base | Representation |
---|---|
bin | 101110010101111… |
… | …1010000110100111 |
3 | 11000101000220021011 |
4 | 1130223322012213 |
5 | 11141040422210 |
6 | 414145203051 |
7 | 53351254450 |
oct | 13453720647 |
9 | 4011026234 |
10 | 1555014055 |
11 | 728846091 |
12 | 374930487 |
13 | 1ba21497a |
14 | 10a744127 |
15 | 917b4d8a |
hex | 5cafa1a7 |
1555014055 has 64 divisors (see below), whose sum is σ = 2413532160. Its totient is φ = 936105984.
The previous prime is 1555014053. The next prime is 1555014077. The reversal of 1555014055 is 5504105551.
It is not a de Polignac number, because 1555014055 - 21 = 1555014053 is a prime.
It is a super-2 number, since 2×15550140552 = 4836137422495086050, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1555014053) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 756409 + ... + 758461.
It is an arithmetic number, because the mean of its divisors is an integer number (37711440).
Almost surely, 21555014055 is an apocalyptic number.
1555014055 is a deficient number, since it is larger than the sum of its proper divisors (858518105).
1555014055 is a wasteful number, since it uses less digits than its factorization.
1555014055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2168.
The product of its (nonzero) digits is 12500, while the sum is 31.
The square root of 1555014055 is about 39433.6665173301. Note that the first 3 decimals coincide. The cubic root of 1555014055 is about 1158.5410848089.
The spelling of 1555014055 in words is "one billion, five hundred fifty-five million, fourteen thousand, fifty-five".
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