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2212122220984 = 231321270405971
BaseRepresentation
bin100000001100001100110…
…000100101100110111000
321211110212121020011111001
4200030030300211212320
5242220411242032414
64412122424214344
7315551310430144
oct40141460454670
97743777204431
102212122220984
11783179362035
122b888330a3b4
131307aa13bb70
14790d28c6224
153c8207b6074
hex2030cc259b8

2212122220984 has 16 divisors (see below), whose sum is σ = 4466785254120. Its totient is φ = 1020979486560.

The previous prime is 2212122220943. The next prime is 2212122220999. The reversal of 2212122220984 is 4890222212122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10635202882 + ... + 10635203089.

Almost surely, 22212122220984 is an apocalyptic number.

It is an amenable number.

2212122220984 is an abundant number, since it is smaller than the sum of its proper divisors (2254663033136).

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

2212122220984 is a wasteful number, since it uses less digits than its factorization.

2212122220984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21270405990 (or 21270405986 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The spelling of 2212122220984 in words is "two trillion, two hundred twelve billion, one hundred twenty-two million, two hundred twenty thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 13 26 52 104 21270405971 42540811942 85081623884 170163247768 276515277623 553030555246 1106061110492 2212122220984