Base | Representation |
---|---|
bin | 111111001111010010… |
… | …101111111011011000 |
3 | 20111021020011122111101 |
4 | 333033102233323120 |
5 | 2103030442324211 |
6 | 51105514041144 |
7 | 4622453044462 |
oct | 771722577330 |
9 | 214236148441 |
10 | 67902308056 |
11 | 268850a0070 |
12 | 111b04191b4 |
13 | 653198720b |
14 | 34021ab132 |
15 | 1b763a25c1 |
hex | fcf4afed8 |
67902308056 has 32 divisors (see below), whose sum is σ = 140847310080. Its totient is φ = 30429968800.
The previous prime is 67902308029. The next prime is 67902308057. The reversal of 67902308056 is 65080320976.
It is a super-2 number, since 2×679023080562 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 67902307997 and 67902308015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67902308057) 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, 5427676 + ... + 5440171.
It is an arithmetic number, because the mean of its divisors is an integer number (4401478440).
Almost surely, 267902308056 is an apocalyptic number.
It is an amenable number.
67902308056 is an abundant number, since it is smaller than the sum of its proper divisors (72945002024).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67902308056 is a wasteful number, since it uses less digits than its factorization.
67902308056 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10867935 (or 10867931 counting only the distinct ones).
The product of its (nonzero) digits is 544320, while the sum is 46.
The spelling of 67902308056 in words is "sixty-seven billion, nine hundred two million, three hundred eight thousand, fifty-six".
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