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2513500205212 = 226740072340587
BaseRepresentation
bin100100100100111000010…
…010010111000010011100
322220021210011002001020001
4210210320102113002130
5312140122023031322
65202404104304044
7346410610142323
oct44447022270234
98807704061201
102513500205212
11889a73380277
12347172172024
131530395ab449
1489922a490ba
15455ade1b827
hex2493849709c

2513500205212 has 24 divisors (see below), whose sum is σ = 4465392511104. Its totient is φ = 1237683152112.

The previous prime is 2513500205141. The next prime is 2513500205213. The reversal of 2513500205212 is 2125020053152.

It is a super-2 number, since 2×25135002052122 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2513500205213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96418 + ... + 2244169.

It is an arithmetic number, because the mean of its divisors is an integer number (186058021296).

Almost surely, 22513500205212 is an apocalyptic number.

It is an amenable number.

2513500205212 is a deficient number, since it is larger than the sum of its proper divisors (1951892305892).

2513500205212 is a wasteful number, since it uses less digits than its factorization.

2513500205212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2344665 (or 2344663 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 2513500205212 its reverse (2125020053152), we get a palindrome (4638520258364).

The spelling of 2513500205212 in words is "two trillion, five hundred thirteen billion, five hundred million, two hundred five thousand, two hundred twelve".

Divisors: 1 2 4 67 134 268 4007 8014 16028 268469 536938 1073876 2340587 4681174 9362348 156819329 313638658 627277316 9378732109 18757464218 37514928436 628375051303 1256750102606 2513500205212