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2127868352840 = 2351071273914689
BaseRepresentation
bin11110111101101110110…
…101100101100101001000
321112102101210201012102002
4132331232311211211020
5234330333244242330
64305310151330132
7306506363366456
oct36755665454510
97472353635362
102127868352840
1175047323694a
122a448a980948
1312587091a409
1474dbcbd19d6
153a53db26e45
hex1ef6ed65948

2127868352840 has 64 divisors (see below), whose sum is σ = 4870500710400. Its totient is φ = 836553166848.

The previous prime is 2127868352821. The next prime is 2127868352861. The reversal of 2127868352840 is 482538687212.

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, 1413785 + ... + 2500904.

It is an arithmetic number, because the mean of its divisors is an integer number (76101573600).

Almost surely, 22127868352840 is an apocalyptic number.

2127868352840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2127868352840 is an abundant number, since it is smaller than the sum of its proper divisors (2742632357560).

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

2127868352840 is a wasteful number, since it uses less digits than its factorization.

2127868352840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3914934 (or 3914930 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 56.

The spelling of 2127868352840 in words is "two trillion, one hundred twenty-seven billion, eight hundred sixty-eight million, three hundred fifty-two thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 40 107 127 214 254 428 508 535 635 856 1016 1070 1270 2140 2540 4280 5080 13589 27178 54356 67945 108712 135890 271780 543560 3914689 7829378 15658756 19573445 31317512 39146890 78293780 156587560 418871723 497165503 837743446 994331006 1675486892 1988662012 2094358615 2485827515 3350973784 3977324024 4188717230 4971655030 8377434460 9943310060 16754868920 19886620120 53196708821 106393417642 212786835284 265983544105 425573670568 531967088210 1063934176420 2127868352840