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19282540020 = 22351731609821
BaseRepresentation
bin10001111101010101…
…000011010111110100
31211202211111112011220
4101331111003113310
5303442312240040
612505215430340
71251560612562
oct217525032764
954684445156
1019282540020
1181a5544797
1238a18253b0
131a83b642c3
14d0ccc4a32
1577cc9a2d0
hex47d5435f4

19282540020 has 96 divisors (see below), whose sum is σ = 59011255296. Its totient is φ = 4683417600.

The previous prime is 19282540007. The next prime is 19282540021. The reversal of 19282540020 is 2004528291.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19282540021) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 273291 + ... + 336530.

It is an arithmetic number, because the mean of its divisors is an integer number (614700576).

Almost surely, 219282540020 is an apocalyptic number.

19282540020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19282540020 is an abundant number, since it is smaller than the sum of its proper divisors (39728715276).

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

19282540020 is a wasteful number, since it uses less digits than its factorization.

19282540020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609881 (or 609879 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The spelling of 19282540020 in words is "nineteen billion, two hundred eighty-two million, five hundred forty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 30 31 34 51 60 62 68 85 93 102 124 155 170 186 204 255 310 340 372 465 510 527 620 930 1020 1054 1581 1860 2108 2635 3162 5270 6324 7905 10540 15810 31620 609821 1219642 1829463 2439284 3049105 3658926 6098210 7317852 9147315 10366957 12196420 18294630 18904451 20733914 31100871 36589260 37808902 41467828 51834785 56713353 62201742 75617804 94522255 103669570 113426706 124403484 155504355 189044510 207339140 226853412 283566765 311008710 321375667 378089020 567133530 622017420 642751334 964127001 1134267060 1285502668 1606878335 1928254002 3213756670 3856508004 4820635005 6427513340 9641270010 19282540020