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540630651020 = 225311278218363
BaseRepresentation
bin1111101111000000001…
…10010001000010001100
31220200110110221122022012
413313200012101002030
532324202421313040
61052210131040352
754026221466015
oct7674006210214
91820413848265
10540630651020
111993099a9a29
12889401400b8
133bc9aa6b305
141c24947600c
15e0e2b8e865
hex7de019108c

540630651020 has 96 divisors (see below), whose sum is σ = 1182755782656. Its totient is φ = 207350841600.

The previous prime is 540630650941. The next prime is 540630651031. The reversal of 540630651020 is 20156036045.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64641359 + ... + 64649721.

It is an arithmetic number, because the mean of its divisors is an integer number (12320372736).

Almost surely, 2540630651020 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 540630651020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (591377891328).

540630651020 is an abundant number, since it is smaller than the sum of its proper divisors (642125131636).

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

540630651020 is a wasteful number, since it uses less digits than its factorization.

540630651020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9351 (or 9349 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 540630651020 its reverse (20156036045), we get a palindrome (560786687065).

The spelling of 540630651020 in words is "five hundred forty billion, six hundred thirty million, six hundred fifty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 31 62 124 127 155 254 310 508 620 635 821 1270 1642 2540 3284 3937 4105 7874 8210 8363 15748 16420 16726 19685 25451 33452 39370 41815 50902 78740 83630 101804 104267 127255 167260 208534 254510 259253 417068 509020 518506 521335 1037012 1042670 1062101 1296265 2085340 2124202 2592530 3232277 4248404 5185060 5310505 6464554 6866023 10621010 12929108 13732046 16161385 21242020 27464092 32322770 32925131 34330115 64645540 65850262 68660230 131700524 137320460 164625655 212846713 329251310 425693426 658502620 851386852 871984921 1064233565 1743969842 2128467130 3487939684 4256934260 4359924605 8719849210 17439698420 27031532551 54063065102 108126130204 135157662755 270315325510 540630651020