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2551255245 = 335711832957
BaseRepresentation
bin1001100000010001…
…0001000011001101
320120210122012021000
42120010101003031
520211110131440
61101054130513
7120136211640
oct23004210315
96523565230
102551255245
11109a131910
125b24b0a39
13318736cb6
141a2b93a57
15edea2730
hex981110cd

2551255245 has 128 divisors (see below), whose sum is σ = 5724794880. Its totient is φ = 1047133440.

The previous prime is 2551255241. The next prime is 2551255247. The reversal of 2551255245 is 5425521552.

2551255245 is a `hidden beast` number, since 2 + 5 + 5 + 125 + 524 + 5 = 666.

It is not a de Polignac number, because 2551255245 - 22 = 2551255241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551255241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 861307 + ... + 864263.

It is an arithmetic number, because the mean of its divisors is an integer number (44724960).

Almost surely, 22551255245 is an apocalyptic number.

It is an amenable number.

2551255245 is an abundant number, since it is smaller than the sum of its proper divisors (3173539635).

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

2551255245 is a wasteful number, since it uses less digits than its factorization.

2551255245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3072 (or 3066 counting only the distinct ones).

The product of its digits is 100000, while the sum is 36.

The square root of 2551255245 is about 50509.9519401870. The cubic root of 2551255245 is about 1366.4213428056.

Adding to 2551255245 its reverse (5425521552), we get a palindrome (7976776797).

The spelling of 2551255245 in words is "two billion, five hundred fifty-one million, two hundred fifty-five thousand, two hundred forty-five".

Divisors: 1 3 5 7 9 11 15 21 27 33 35 45 55 63 77 83 99 105 135 165 189 231 249 297 315 385 415 495 581 693 747 913 945 1155 1245 1485 1743 2079 2241 2739 2905 2957 3465 3735 4565 5229 6391 8217 8715 8871 10395 11205 13695 14785 15687 19173 20699 24651 26145 26613 31955 32527 41085 44355 57519 62097 78435 79839 95865 97581 103495 123255 133065 162635 172557 186291 227689 245431 287595 292743 310485 399195 487905 558873 683067 736293 862785 878229 931455 1138445 1227155 1463715 1718017 2049201 2208879 2699741 2794365 3415335 3681465 4391145 5154051 6147603 6626637 8099223 8590085 10246005 11044395 13498705 15462153 18898187 24297669 25770255 30738015 33133185 40496115 46386459 56694561 72893007 77310765 94490935 121488345 170083683 231932295 283472805 364465035 510251049 850418415 2551255245