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51250624452020 = 22573311753630901
BaseRepresentation
bin10111010011100101101110…
…10000111101010110110100
320201110111211010200222212202
423221302313100331112310
523204142234324431040
6301000113431404032
713536510152026550
oct1351626720752664
9221414733628782
1051250624452020
111536a2a4447284
1258b886a523618
132279bb4257c26
14c92787372860
155dd22de3d015
hex2e9cb743d5b4

51250624452020 has 96 divisors (see below), whose sum is σ = 123443678351616. Its totient is φ = 17508534912000.

The previous prime is 51250624452007. The next prime is 51250624452047. The reversal of 51250624452020 is 2025442605215.

It is a congruent number.

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, 80918570 + ... + 81549470.

It is an arithmetic number, because the mean of its divisors is an integer number (1285871649496).

Almost surely, 251250624452020 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 51250624452020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61721839175808).

51250624452020 is an abundant number, since it is smaller than the sum of its proper divisors (72193053899596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51250624452020 is a wasteful number, since it uses less digits than its factorization.

51250624452020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633001 (or 632999 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 38.

The spelling of 51250624452020 in words is "fifty-one trillion, two hundred fifty billion, six hundred twenty-four million, four hundred fifty-two thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 331 662 1324 1655 1753 2317 3310 3506 4634 6620 7012 8765 9268 11585 12271 17530 23170 24542 35060 46340 49084 61355 122710 245420 580243 630901 1160486 1261802 2320972 2523604 2901215 3154505 4061701 4416307 5802430 6309010 8123402 8832614 11604860 12618020 16246804 17665228 20308505 22081535 40617010 44163070 81234020 88326140 208828231 417656462 835312924 1044141155 1105969453 1461797617 2088282310 2211938906 2923595234 4176564620 4423877812 5529847265 5847190468 7308988085 7741786171 11059694530 14617976170 15483572342 22119389060 29235952340 30967144684 38708930855 77417861710 154835723420 366075888943 732151777886 1464303555772 1830379444715 2562531222601 3660758889430 5125062445202 7321517778860 10250124890404 12812656113005 25625312226010 51250624452020