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54256788765245 = 5112933366850063
BaseRepresentation
bin11000101011000101001001…
…00111101111101000111101
321010002220020220012211101002
430111202210213233220331
524102420400410441440
6311221120305500045
714266631543054423
oct1425424447575075
9233086226184332
1054256788765245
11163191a18717a0
1261033b4941625
132437515bc4641
14d58084c0b113
15641524925115
hex3158a49efa3d

54256788765245 has 16 divisors (see below), whose sum is σ = 71269482154752. Its totient is φ = 39324808724160.

The previous prime is 54256788765241. The next prime is 54256788765247.

54256788765245 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54256788765245 - 22 = 54256788765241 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54256788765241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1683408917 + ... + 1683441146.

It is an arithmetic number, because the mean of its divisors is an integer number (4454342634672).

Almost surely, 254256788765245 is an apocalyptic number.

54256788765245 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54256788765245 is a deficient number, since it is larger than the sum of its proper divisors (17012693389507).

54256788765245 is a wasteful number, since it uses less digits than its factorization.

54256788765245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3366850372.

The product of its digits is 4515840000, while the sum is 74.

The spelling of 54256788765245 in words is "fifty-four trillion, two hundred fifty-six billion, seven hundred eighty-eight million, seven hundred sixty-five thousand, two hundred forty-five".

Divisors: 1 5 11 55 293 1465 3223 16115 3366850063 16834250315 37035350693 185176753465 986487068459 4932435342295 10851357753049 54256788765245