Base | Representation |
---|---|
bin | 110000011000000000… |
… | …011100111001001000 |
3 | 11222001221202020210210 |
4 | 300120000130321020 |
5 | 1322334222112310 |
6 | 35510105241120 |
7 | 3516115636344 |
oct | 603000347110 |
9 | 158057666723 |
10 | 51942379080 |
11 | 20035134219 |
12 | a0974931a0 |
13 | 4b8a2c0c67 |
14 | 272a6aa624 |
15 | 1540174820 |
hex | c1801ce48 |
51942379080 has 128 divisors (see below), whose sum is σ = 161360035200. Its totient is φ = 13360435200.
The previous prime is 51942379067. The next prime is 51942379121. The reversal of 51942379080 is 8097324915.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3789840 + ... + 3803520.
It is an arithmetic number, because the mean of its divisors is an integer number (1260625275).
Almost surely, 251942379080 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 51942379080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80680017600).
51942379080 is an abundant number, since it is smaller than the sum of its proper divisors (109417656120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51942379080 is a wasteful number, since it uses less digits than its factorization.
51942379080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14815 (or 14811 counting only the distinct ones).
The product of its (nonzero) digits is 544320, while the sum is 48.
The spelling of 51942379080 in words is "fifty-one billion, nine hundred forty-two million, three hundred seventy-nine thousand, eighty".
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