Search a number
-
+
20034601078251 = 319431919887387
BaseRepresentation
bin1001000111000101010110…
…10001111100110111101011
32121221021210210111101211110
410203202223101330313223
510111221330334001001
6110335434011201403
74135311043234014
oct443425321746753
977837723441743
1020034601078251
11642469900a281
1222b6a0b446263
13b24340982b36
144d39737a400b
1524b22c8b73d6
hex1238ab47cdeb

20034601078251 has 32 divisors (see below), whose sum is σ = 28214678937600. Its totient is φ = 12610322987040.

The previous prime is 20034601078223. The next prime is 20034601078411. The reversal of 20034601078251 is 15287010643002.

It is not a de Polignac number, because 20034601078251 - 218 = 20034600816107 is a prime.

It is a super-4 number, since 4×200346010782514 (a number of 54 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (20034601078211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22133380 + ... + 23020766.

It is an arithmetic number, because the mean of its divisors is an integer number (881708716800).

Almost surely, 220034601078251 is an apocalyptic number.

20034601078251 is a deficient number, since it is larger than the sum of its proper divisors (8180077859349).

20034601078251 is a wasteful number, since it uses less digits than its factorization.

20034601078251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888759.

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 20034601078251 in words is "twenty trillion, thirty-four billion, six hundred one million, seventy-eight thousand, two hundred fifty-one".

Divisors: 1 3 19 57 431 919 1293 2757 8189 17461 24567 52383 396089 887387 1188267 2662161 7525691 16860353 22577073 50581059 382463797 815508653 1147391391 2446525959 7266812143 15494664407 21800436429 46483993221 351484229443 1054452688329 6678200359417 20034601078251