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3988017312480 = 253253797307273
BaseRepresentation
bin111010000010001000010…
…110101111001011100000
3112010020202210011002211200
4322002020112233023200
51010314424412444410
612252023031241200
7561060533563065
oct72021026571340
915106683132750
103988017312480
1112a8343895133
12544aa2b19200
1322c0b7415ca6
14db041b4ac6c
156db0e0093c0
hex3a0885af2e0

3988017312480 has 144 divisors (see below), whose sum is σ = 13645018885680. Its totient is φ = 1060665145344.

The previous prime is 3988017312473. The next prime is 3988017312547. The reversal of 3988017312480 is 842137108893.

It is a happy number.

3988017312480 is a `hidden beast` number, since 3 + 9 + 8 + 80 + 1 + 73 + 12 + 480 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3107877 + ... + 4199396.

It is an arithmetic number, because the mean of its divisors is an integer number (94757075595).

Almost surely, 23988017312480 is an apocalyptic number.

3988017312480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3988017312480 is an abundant number, since it is smaller than the sum of its proper divisors (9657001573200).

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

3988017312480 is a wasteful number, since it uses less digits than its factorization.

3988017312480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7307673 (or 7307662 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 3988017312480 in words is "three trillion, nine hundred eighty-eight billion, seventeen million, three hundred twelve thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 240 288 360 379 480 720 758 1137 1440 1516 1895 2274 3032 3411 3790 4548 5685 6064 6822 7580 9096 11370 12128 13644 15160 17055 18192 22740 27288 30320 34110 36384 45480 54576 60640 68220 90960 109152 136440 181920 272880 545760 7307273 14614546 21921819 29229092 36536365 43843638 58458184 65765457 73072730 87687276 109609095 116916368 131530914 146145460 175374552 219218190 233832736 263061828 292290920 328827285 350749104 438436380 526123656 584581840 657654570 701498208 876872760 1052247312 1169163680 1315309140 1753745520 2104494624 2630618280 2769456467 3507491040 5261236560 5538912934 8308369401 10522473120 11077825868 13847282335 16616738802 22155651736 24925108203 27694564670 33233477604 41541847005 44311303472 49850216406 55389129340 66466955208 83083694010 88622606944 99700432812 110778258680 124625541015 132933910416 166167388020 199400865624 221556517360 249251082030 265867820832 332334776040 398801731248 443113034720 498502164060 664669552080 797603462496 997004328120 1329339104160 1994008656240 3988017312480