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20032131301312 = 2613194891235419
BaseRepresentation
bin1001000111000000110000…
…00100011111111111000000
32121221001102200011201210111
410203200120010133333000
510111201301103120222
6110334344543241104
74135162613413114
oct443403004377700
977831380151714
1020032131301312
116423640979309
1222b64402a9194
13b240390a6070
144d37bb77d744
1524b135b5b777
hex12381811ffc0

20032131301312 has 56 divisors (see below), whose sum is σ = 42811281052400. Its totient is φ = 9245117177856.

The previous prime is 20032131301279. The next prime is 20032131301327. The reversal of 20032131301312 is 21310313123002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15597139 + ... + 16832557.

It is an arithmetic number, because the mean of its divisors is an integer number (764487161650).

Almost surely, 220032131301312 is an apocalyptic number.

It is an amenable number.

20032131301312 is an abundant number, since it is smaller than the sum of its proper divisors (22779149751088).

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

20032131301312 is a wasteful number, since it uses less digits than its factorization.

20032131301312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254933 (or 1254923 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 20032131301312 its reverse (21310313123002), we get a palindrome (41342444424314).

The spelling of 20032131301312 in words is "twenty trillion, thirty-two billion, one hundred thirty-one million, three hundred one thousand, three hundred twelve".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 208 416 832 19489 38978 77956 155912 253357 311824 506714 623648 1013428 1235419 1247296 2026856 2470838 4053712 4941676 8107424 9883352 16060447 16214848 19766704 32120894 39533408 64241788 79066816 128483576 256967152 513934304 1027868608 24077080891 48154161782 96308323564 192616647128 313002051583 385233294256 626004103166 770466588512 1252008206332 1540933177024 2504016412664 5008032825328 10016065650656 20032131301312