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54670444245 = 3251780988337
BaseRepresentation
bin110010111010100111…
…001100011011010101
312020010002002022200100
4302322213030123111
51343431113203440
641040521204313
73643533052164
oct627247143325
9166102068610
1054670444245
1121205049a2a
12a719030699
135203552ac1
142908b273db
15164e900230
hexcba9cc6d5

54670444245 has 48 divisors (see below), whose sum is σ = 100461507120. Its totient is φ = 27408187392.

The previous prime is 54670444243. The next prime is 54670444249. The reversal of 54670444245 is 54244407645.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1262309841 + 53408134404 = 35529^2 + 231102^2 .

It is not a de Polignac number, because 54670444245 - 21 = 54670444243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 54670444245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54670444243) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 574717 + ... + 663053.

It is an arithmetic number, because the mean of its divisors is an integer number (2092948065).

Almost surely, 254670444245 is an apocalyptic number.

It is an amenable number.

54670444245 is a deficient number, since it is larger than the sum of its proper divisors (45791062875).

54670444245 is a wasteful number, since it uses less digits than its factorization.

54670444245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89174 (or 89171 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 45.

The spelling of 54670444245 in words is "fifty-four billion, six hundred seventy million, four hundred forty-four thousand, two hundred forty-five".

Divisors: 1 3 5 9 15 17 45 51 85 153 255 765 809 2427 4045 7281 12135 13753 36405 41259 68765 88337 123777 206295 265011 441685 618885 795033 1325055 1501729 3975165 4505187 7508645 13515561 22525935 67577805 71464633 214393899 357323165 643181697 1071969495 1214898761 3215908485 3644696283 6074493805 10934088849 18223481415 54670444245