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2012553247744 = 21013318147527
BaseRepresentation
bin11101010010010101100…
…001010111110000000000
321010101202021222220112201
4131102111201113300000
5230433202112411434
64140315412402544
7265254642231004
oct35222541276000
97111667886481
102012553247744
117065789286a6
12286068016454
13117a24205710
146d59db64704
15375400d3614
hex1d495857c00

2012553247744 has 88 divisors (see below), whose sum is σ = 4334066723168. Its totient is φ = 928559185920.

The previous prime is 2012553247741. The next prime is 2012553247751. The reversal of 2012553247744 is 4477423552102.

It is a junction number, because it is equal to n+sod(n) for n = 2012553247694 and 2012553247703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012553247741) 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, 42321709 + ... + 42369235.

Almost surely, 22012553247744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2012553247744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2167033361584).

2012553247744 is an abundant number, since it is smaller than the sum of its proper divisors (2321513475424).

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

2012553247744 is a wasteful number, since it uses less digits than its factorization.

2012553247744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50741 (or 50723 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 46.

Adding to 2012553247744 its reverse (4477423552102), we get a palindrome (6489976799846).

The spelling of 2012553247744 in words is "two trillion, twelve billion, five hundred fifty-three million, two hundred forty-seven thousand, seven hundred forty-four".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 128 208 256 416 512 832 1024 1664 3181 3328 6362 6656 12724 13312 25448 41353 47527 50896 82706 95054 101792 165412 190108 203584 330824 380216 407168 617851 661648 760432 814336 1235702 1323296 1520864 1628672 2471404 2646592 3041728 3257344 4942808 5293184 6083456 9885616 10586368 12166912 19771232 21172736 24333824 39542464 42345472 48667648 79084928 151183387 158169856 302366774 316339712 604733548 632679424 1209467096 1965384031 2418934192 3930768062 4837868384 7861536124 9675736768 15723072248 19351473536 31446144496 38702947072 62892288992 77405894144 125784577984 154811788288 251569155968 503138311936 1006276623872 2012553247744