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3101021213040 = 243351435657969
BaseRepresentation
bin101101001000000011010…
…001001001000101110000
3101222110021111111121122000
4231020003101021011300
5401301342412304130
610332331154414000
7440020124254062
oct55100321110560
911873244447560
103101021213040
11a961546a42a3
12420bb9891300
1319656aa960ca
14aa139827732
15559e8450260
hex2d203449170

3101021213040 has 80 divisors (see below), whose sum is σ = 10681295296800. Its totient is φ = 826938989568.

The previous prime is 3101021213039. The next prime is 3101021213089. The reversal of 3101021213040 is 403121201013.

3101021213040 is a `hidden beast` number, since 310 + 10 + 21 + 21 + 304 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 717826825 + ... + 717831144.

It is an arithmetic number, because the mean of its divisors is an integer number (133516191210).

Almost surely, 23101021213040 is an apocalyptic number.

3101021213040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3101021213040 is an abundant number, since it is smaller than the sum of its proper divisors (7580274083760).

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

3101021213040 is a wasteful number, since it uses less digits than its factorization.

3101021213040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435657991 (or 1435657979 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 3101021213040 its reverse (403121201013), we get a palindrome (3504142414053).

The spelling of 3101021213040 in words is "three trillion, one hundred one billion, twenty-one million, two hundred thirteen thousand, forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 45 48 54 60 72 80 90 108 120 135 144 180 216 240 270 360 432 540 720 1080 2160 1435657969 2871315938 4306973907 5742631876 7178289845 8613947814 11485263752 12920921721 14356579690 17227895628 21534869535 22970527504 25841843442 28713159380 34455791256 38762765163 43069739070 51683686884 57426318760 64604608605 68911582512 77525530326 86139478140 103367373768 114852637520 129209217210 155051060652 172278956280 193813825815 206734747536 258418434420 310102121304 344557912560 387627651630 516836868840 620204242608 775255303260 1033673737680 1550510606520 3101021213040