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2311000120200 = 2335225791493473
BaseRepresentation
bin100001101000010010010…
…101110101101110001000
322011221002120102212211110
4201220102111311232020
5300330412012321300
64525354144530320
7325651510623612
oct41502225655610
98157076385743
102311000120200
118110a9358212
12313a793209a0
13139c07330235
147dbd28d3db2
15401ab251550
hex21a12575b88

2311000120200 has 96 divisors (see below), whose sum is σ = 7166883031200. Its totient is φ = 616027330560.

The previous prime is 2311000120183. The next prime is 2311000120207. The reversal of 2311000120200 is 20210001132.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (2311000120207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 800664 + ... + 2294136.

It is an arithmetic number, because the mean of its divisors is an integer number (74655031575).

Almost surely, 22311000120200 is an apocalyptic number.

2311000120200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2311000120200 is an abundant number, since it is smaller than the sum of its proper divisors (4855882911000).

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

2311000120200 is a wasteful number, since it uses less digits than its factorization.

2311000120200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1496071 (or 1496062 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 2311000120200 its reverse (20210001132), we get a palindrome (2331210121332).

It can be divided in two parts, 23110001 and 20200, that added together give a triangular number (23130201 = T6801).

The spelling of 2311000120200 in words is "two trillion, three hundred eleven billion, one hundred twenty thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 150 200 300 600 2579 5158 7737 10316 12895 15474 20632 25790 30948 38685 51580 61896 64475 77370 103160 128950 154740 193425 257900 309480 386850 515800 773700 1493473 1547400 2986946 4480419 5973892 7467365 8960838 11947784 14934730 17921676 22402095 29869460 35843352 37336825 44804190 59738920 74673650 89608380 112010475 149347300 179216760 224020950 298694600 448041900 896083800 3851666867 7703333734 11555000601 15406667468 19258334335 23110001202 30813334936 38516668670 46220002404 57775003005 77033337340 92440004808 96291671675 115550006010 154066674680 192583343350 231100012020 288875015025 385166686700 462200024040 577750030050 770333373400 1155500060100 2311000120200