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53487353112325 = 52111195916263857
BaseRepresentation
bin11000010100101011111101…
…01011101010011100000101
321000101100012121021210102021
430022111332223222130011
524002314044344043300
6305431430101243141
714160222320656126
oct1412257653523405
9230340177253367
1053487353112325
111605194a468380
125bba25a4034b1
1323acab3204952
14d2cb31c3604d
1562b4dea85d1a
hex30a57eaea705

53487353112325 has 24 divisors (see below), whose sum is σ = 72359855904960. Its totient is φ = 38896638009600.

The previous prime is 53487353112307. The next prime is 53487353112341. The reversal of 53487353112325 is 52321135378435.

It is a de Polignac number, because none of the positive numbers 2k-53487353112325 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4843204 + ... + 11420653.

It is an arithmetic number, because the mean of its divisors is an integer number (3014993996040).

Almost surely, 253487353112325 is an apocalyptic number.

53487353112325 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53487353112325 is a deficient number, since it is larger than the sum of its proper divisors (18872502792635).

53487353112325 is a wasteful number, since it uses less digits than its factorization.

53487353112325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16275837 (or 16275832 counting only the distinct ones).

The product of its digits is 9072000, while the sum is 52.

The spelling of 53487353112325 in words is "fifty-three trillion, four hundred eighty-seven billion, three hundred fifty-three million, one hundred twelve thousand, three hundred twenty-five".

Divisors: 1 5 11 25 55 275 11959 59795 131549 298975 657745 3288725 16263857 81319285 178902427 406596425 894512135 4472560675 194499465863 972497329315 2139494124493 4862486646575 10697470622465 53487353112325