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20002012000019 = 722331225771861
BaseRepresentation
bin1001000110001000101001…
…10100011110111100010011
32121211011200121101200210222
410203010110310132330103
510110203110033000034
6110312444130143255
74133045334523100
oct443042464367423
977734617350728
1020002012000019
116411895360475
1222b0635421b2b
13b212490a00aa
144d216155baa7
1524a47181912e
hex123114d1ef13

20002012000019 has 72 divisors (see below), whose sum is σ = 25185718895904. Its totient is φ = 15808188211200.

The previous prime is 20002011999961. The next prime is 20002012000057. The reversal of 20002012000019 is 91000021020002.

It is not a de Polignac number, because 20002012000019 - 28 = 20002011999763 is a prime.

It is a super-2 number, since 2×200020120000192 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20002011999970 and 20002012000006.

It is not an unprimeable number, because it can be changed into a prime (20002012000099) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 278307149 + ... + 278379009.

It is an arithmetic number, because the mean of its divisors is an integer number (349801651332).

Almost surely, 220002012000019 is an apocalyptic number.

20002012000019 is a deficient number, since it is larger than the sum of its proper divisors (5183706895885).

20002012000019 is a wasteful number, since it uses less digits than its factorization.

20002012000019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72217 (or 72179 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The spelling of 20002012000019 in words is "twenty trillion, two billion, twelve million, nineteen", and thus it is an aban number and an uban number.

Divisors: 1 7 23 31 49 161 217 257 713 961 1127 1519 1799 4991 5911 6727 7967 12593 22103 34937 41377 47089 55769 71861 154721 183241 246977 289639 390383 503027 1083047 1282687 1652803 1728839 2227691 3521189 5680471 8978809 11569621 12101873 15593837 18468277 39763297 51236893 69058421 80987347 109156859 129277939 278343079 358658251 424770371 483408947 572516587 904945573 1588343683 2510607757 2973392597 3383862629 4007616109 11118405781 13167881501 17748014197 20813748179 28053312763 77828840467 92175170507 124236099379 408204326531 645226193549 869652695653 2857430285717 20002012000019