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51016150685888 = 266770853167917
BaseRepresentation
bin10111001100110000111111…
…00010100001100011000000
320200122002121020221112121022
423212120133202201203000
523141322034033422023
6300300255053045012
713513536525635003
oct1346303742414300
9220562536845538
1051016150685888
111528991208a373
12587b331786768
132260a57a53b8b
14c852a2a0953a
155d70a92347c8
hex2e661f8a18c0

51016150685888 has 56 divisors (see below), whose sum is σ = 102748208790192. Its totient is φ = 25126853520384.

The previous prime is 51016150685887. The next prime is 51016150685891. The reversal of 51016150685888 is 88858605161015.

It is a self number, because there is not a number n which added to its sum of digits gives 51016150685888.

It is not an unprimeable number, because it can be changed into a prime (51016150685887) 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, 303733706 + ... + 303901622.

It is an arithmetic number, because the mean of its divisors is an integer number (1834789442682).

Almost surely, 251016150685888 is an apocalyptic number.

It is an amenable number.

51016150685888 is an abundant number, since it is smaller than the sum of its proper divisors (51732058104304).

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

51016150685888 is a wasteful number, since it uses less digits than its factorization.

51016150685888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238849 (or 238839 counting only the distinct ones).

The product of its (nonzero) digits is 18432000, while the sum is 62.

The spelling of 51016150685888 in words is "fifty-one trillion, sixteen billion, one hundred fifty million, six hundred eighty-five thousand, eight hundred eighty-eight".

Divisors: 1 2 4 8 16 32 64 67 134 268 536 1072 2144 4288 70853 141706 167917 283412 335834 566824 671668 1133648 1343336 2267296 2686672 4534592 4747151 5373344 9494302 10746688 11250439 18988604 22500878 37977208 45001756 75954416 90003512 151908832 180007024 303817664 360014048 720028096 11897423201 23794846402 47589692804 95179385608 190358771216 380717542432 761435084864 797127354467 1594254708934 3188509417868 6377018835736 12754037671472 25508075342944 51016150685888