Base | Representation |
---|---|
bin | 1011011101111110… |
… | …10111010100100000 |
3 | 120220002121122110200 |
4 | 11232333113110200 |
5 | 100102202243043 |
6 | 2454543225200 |
7 | 305402150130 |
oct | 55677272440 |
9 | 16802548420 |
10 | 6157071648 |
11 | 267a563072 |
12 | 1239ba8200 |
13 | 7717a2680 |
14 | 425a18ac0 |
15 | 2608127d3 |
hex | 16efd7520 |
6157071648 has 144 divisors (see below), whose sum is σ = 21549842496. Its totient is φ = 1623836160.
The previous prime is 6157071643. The next prime is 6157071653. The reversal of 6157071648 is 8461707516.
6157071648 is a `hidden beast` number, since 6 + 1 + 570 + 71 + 6 + 4 + 8 = 666.
It is an interprime number because it is at equal distance from previous prime (6157071643) and next prime (6157071653).
It is a tau number, because it is divible by the number of its divisors (144).
It is not an unprimeable number, because it can be changed into a prime (6157071643) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91258 + ... + 143673.
It is an arithmetic number, because the mean of its divisors is an integer number (149651684).
Almost surely, 26157071648 is an apocalyptic number.
It is an amenable number.
6157071648 is an abundant number, since it is smaller than the sum of its proper divisors (15392770848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6157071648 is a wasteful number, since it uses less digits than its factorization.
6157071648 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 234967 (or 234956 counting only the distinct ones).
The product of its (nonzero) digits is 282240, while the sum is 45.
The square root of 6157071648 is about 78467.0099341118. The cubic root of 6157071648 is about 1832.8407657291.
The spelling of 6157071648 in words is "six billion, one hundred fifty-seven million, seventy-one thousand, six hundred forty-eight".
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