Base | Representation |
---|---|
bin | 11000000000000110111101… |
… | …00111000001100100111110 |
3 | 20220212202011100202201100110 |
4 | 30000003132213001210332 |
5 | 23404223014440432103 |
6 | 304130533135210450 |
7 | 14055151601244441 |
oct | 1400033647014476 |
9 | 226782140681313 |
10 | 52780292905278 |
11 | 158a9aa6402724 |
12 | 5b05211376a26 |
13 | 235b211141803 |
14 | d06818dc1658 |
15 | 617e0ac70403 |
hex | 3000de9c193e |
52780292905278 has 32 divisors (see below), whose sum is σ = 110281800166560. Its totient is φ = 16818575177600.
The previous prime is 52780292905273. The next prime is 52780292905369. The reversal of 52780292905278 is 87250929208725.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52780292905273) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1501640925 + ... + 1501676072.
It is an arithmetic number, because the mean of its divisors is an integer number (3446306255205).
Almost surely, 252780292905278 is an apocalyptic number.
52780292905278 is a gapful number since it is divisible by the number (58) formed by its first and last digit.
52780292905278 is an abundant number, since it is smaller than the sum of its proper divisors (57501507261282).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
52780292905278 is a wasteful number, since it uses less digits than its factorization.
52780292905278 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3003317132.
The product of its (nonzero) digits is 101606400, while the sum is 66.
The spelling of 52780292905278 in words is "fifty-two trillion, seven hundred eighty billion, two hundred ninety-two million, nine hundred five thousand, two hundred seventy-eight".
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