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4312540512 = 253272139157
BaseRepresentation
bin1000000010000110…
…00010010101100000
3102010112210202102200
410001003002111200
532313002244022
61551532413200
7211603663260
oct40103022540
912115722380
104312540512
111913353575
12a04317200
135395c0527
142cca6d7a0
151a390ebac
hex1010c2560

4312540512 has 72 divisors (see below), whose sum is σ = 14015763216. Its totient is φ = 1232153856.

The previous prime is 4312540499. The next prime is 4312540543. The reversal of 4312540512 is 2150452134.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1067563 + ... + 1071594.

It is an arithmetic number, because the mean of its divisors is an integer number (194663378).

Almost surely, 24312540512 is an apocalyptic number.

4312540512 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

4312540512 is an abundant number, since it is smaller than the sum of its proper divisors (9703222704).

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

4312540512 is a wasteful number, since it uses less digits than its factorization.

4312540512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2139180 (or 2139169 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 4312540512 is about 65669.9361351905. The cubic root of 4312540512 is about 1627.7126148076.

Adding to 4312540512 its reverse (2150452134), we get a palindrome (6462992646).

The spelling of 4312540512 in words is "four billion, three hundred twelve million, five hundred forty thousand, five hundred twelve".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 72 84 96 112 126 144 168 224 252 288 336 504 672 1008 2016 2139157 4278314 6417471 8556628 12834942 14974099 17113256 19252413 25669884 29948198 34226512 38504826 44922297 51339768 59896396 68453024 77009652 89844594 102679536 119792792 134766891 154019304 179689188 205359072 239585584 269533782 308038608 359378376 479171168 539067564 616077216 718756752 1078135128 1437513504 2156270256 4312540512