Search a number
-
+
54026257215 = 35723109720393
BaseRepresentation
bin110010010100001101…
…110100001100111111
312011110011221020012110
4302110031310030333
51341121210212330
640452550105103
73621551415660
oct622415641477
9164404836173
1054026257215
1120a04460757
12a57934b193
13512cc55948
14288735b367
1516130a4db0
hexc9437433f

54026257215 has 64 divisors (see below), whose sum is σ = 103185156096. Its totient is φ = 23601211392.

The previous prime is 54026257211. The next prime is 54026257217. The reversal of 54026257215 is 51275262045.

It is not a de Polignac number, because 54026257215 - 22 = 54026257211 is a prime.

It is a super-2 number, since 2×540262572152 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54026257211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2639059 + ... + 2659451.

It is an arithmetic number, because the mean of its divisors is an integer number (1612268064).

Almost surely, 254026257215 is an apocalyptic number.

54026257215 is a deficient number, since it is larger than the sum of its proper divisors (49158898881).

54026257215 is a wasteful number, since it uses less digits than its factorization.

54026257215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21528.

The product of its (nonzero) digits is 168000, while the sum is 39.

The spelling of 54026257215 in words is "fifty-four billion, twenty-six million, two hundred fifty-seven thousand, two hundred fifteen".

Divisors: 1 3 5 7 15 21 23 35 69 105 115 161 345 483 805 1097 2415 3291 5485 7679 16455 20393 23037 25231 38395 61179 75693 101965 115185 126155 142751 176617 305895 378465 428253 469039 529851 713755 883085 1407117 2141265 2345195 2649255 3283273 7035585 9849819 16416365 22371121 49249095 67113363 111855605 156597847 335566815 469793541 514535783 782989235 1543607349 2348967705 2572678915 3601750481 7718036745 10805251443 18008752405 54026257215