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31200301102000 = 245331095017739
BaseRepresentation
bin1110001100000011000101…
…10111010011001110110000
311002110201102121222102202111
413012001202313103032300
513042141204040231000
6150205115341255104
76400101355411522
oct706014267231660
9132421377872674
1031200301102000
119a39a78644578
1235ba9b1864494
13145423921c504
1479c161893a12
153918d113ecba
hex1c6062dd33b0

31200301102000 has 80 divisors (see below), whose sum is σ = 75466608890400. Its totient is φ = 12476103763200.

The previous prime is 31200301101859. The next prime is 31200301102013. The reversal of 31200301102000 is 20110300213.

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

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, 3709131 + ... + 8726869.

It is an arithmetic number, because the mean of its divisors is an integer number (943332611130).

Almost surely, 231200301102000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31200301102000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37733304445200).

31200301102000 is an abundant number, since it is smaller than the sum of its proper divisors (44266307788400).

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

31200301102000 is a wasteful number, since it uses less digits than its factorization.

31200301102000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5020871 (or 5020855 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 31200301102000 its reverse (20110300213), we get a palindrome (31220411402213).

The spelling of 31200301102000 in words is "thirty-one trillion, two hundred billion, three hundred one million, one hundred two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 3109 6218 12436 15545 24872 31090 49744 62180 77725 124360 155450 248720 310900 388625 621800 777250 1243600 1554500 3109000 5017739 6218000 10035478 20070956 25088695 40141912 50177390 80283824 100354780 125443475 200709560 250886950 401419120 501773900 627217375 1003547800 1254434750 2007095600 2508869500 5017739000 10035478000 15600150551 31200301102 62400602204 78000752755 124801204408 156001505510 249602408816 312003011020 390003763775 624006022040 780007527550 1248012044080 1560015055100 1950018818875 3120030110200 3900037637750 6240060220400 7800075275500 15600150551000 31200301102000