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312020040003100 = 22521113211103410347
BaseRepresentation
bin100011011110001111101001…
…1101001011010111000011100
31111220202211021001211022211121
41012330133103221122320130
5311344114020220044400
63023340005541100324
7122502463314636442
oct10674372351327034
91456684231738747
10312020040003100
1190467a57266260
122abb36a80b76a4
13105144958673b0
145709bc9b50b92
152611555c9d21a
hex11bc7d3a5ae1c

312020040003100 has 144 divisors (see below), whose sum is σ = 799224661097856. Its totient is φ = 104237628768000.

The previous prime is 312020040003071. The next prime is 312020040003137. The reversal of 312020040003100 is 1300040020213.

It is a happy number.

It is a super-2 number, since 2×3120200400031002 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48687874 + ... + 54722473.

It is an arithmetic number, because the mean of its divisors is an integer number (5550171257624).

Almost surely, 2312020040003100 is an apocalyptic number.

It is an amenable number.

312020040003100 is an abundant number, since it is smaller than the sum of its proper divisors (487204621094756).

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

312020040003100 is a wasteful number, since it uses less digits than its factorization.

312020040003100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103410596 (or 103410589 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 312020040003100 its reverse (1300040020213), we get a palindrome (313320080023313).

The spelling of 312020040003100 in words is "three hundred twelve trillion, twenty billion, forty million, three thousand, one hundred".

Divisors: 1 2 4 5 10 11 13 20 22 25 26 44 50 52 55 65 100 110 130 143 211 220 260 275 286 325 422 550 572 650 715 844 1055 1100 1300 1430 2110 2321 2743 2860 3575 4220 4642 5275 5486 7150 9284 10550 10972 11605 13715 14300 21100 23210 27430 30173 46420 54860 58025 60346 68575 116050 120692 137150 150865 232100 274300 301730 603460 754325 1508650 3017300 103410347 206820694 413641388 517051735 1034103470 1137513817 1344334511 2068206940 2275027634 2585258675 2688669022 4550055268 5170517350 5377338044 5687569085 6721672555 10341034700 11375138170 13443345110 14787679621 21819583217 22750276340 26886690220 28437845425 29575359242 33608362775 43639166434 56875690850 59150718484 67216725550 73938398105 87278332868 109097916085 113751381700 134433451100 147876796210 218195832170 240015415387 283654581821 295753592420 369691990525 436391664340 480030830774 545489580425 567309163642 739383981050 960061661548 1090979160850 1134618327284 1200077076935 1418272909105 1478767962100 2181958321700 2400154153870 2836545818210 3120200400031 4800308307740 5673091636420 6000385384675 6240400800062 7091364545525 12000770769350 12480801600124 14182729091050 15601002000155 24001541538700 28365458182100 31202004000310 62404008000620 78005010000775 156010020001550 312020040003100