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2311241213040 = 243519391496631
BaseRepresentation
bin100001101000100000101…
…101100010010001110000
322011221201101002200000220
4201220200231202101300
5300331410222304130
64525434120213040
7325660466110314
oct41504055422160
98157641080026
102311241213040
118112124578a1
12313b2600a180
13139c45274616
147dc16931b44
15401c24c6410
hex21a20b62470

2311241213040 has 80 divisors (see below), whose sum is σ = 7165231681536. Its totient is φ = 616297964800.

The previous prime is 2311241212981. The next prime is 2311241213051. The reversal of 2311241213040 is 403121421132.

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

It is a super-2 number, since 2×23112412130402 (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2311241213040.

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, 4405525 + ... + 4902155.

Almost surely, 22311241213040 is an apocalyptic number.

2311241213040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2311241213040 is an abundant number, since it is smaller than the sum of its proper divisors (4853990468496).

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

2311241213040 is a wasteful number, since it uses less digits than its factorization.

2311241213040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516038 (or 516032 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 2311241213040 its reverse (403121421132), we get a palindrome (2714362634172).

The spelling of 2311241213040 in words is "two trillion, three hundred eleven billion, two hundred forty-one million, two hundred thirteen thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 19391 38782 58173 77564 96955 116346 155128 193910 232692 290865 310256 387820 465384 496631 581730 775640 930768 993262 1163460 1489893 1551280 1986524 2326920 2483155 2979786 3973048 4653840 4966310 5959572 7449465 7946096 9932620 11919144 14898930 19865240 23838288 29797860 39730480 59595720 119191440 9630171721 19260343442 28890515163 38520686884 48150858605 57781030326 77041373768 96301717210 115562060652 144452575815 154082747536 192603434420 231124121304 288905151630 385206868840 462248242608 577810303260 770413737680 1155620606520 2311241213040