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212122102211983 = 4393638313280759
BaseRepresentation
bin110000001110110010000110…
…100011010010010110001111
31000211001200020000120012120101
4300032302012203102112033
5210300402031131240413
62031051314245431531
762452213303111405
oct6016620643222617
91024050200505511
10212122102211983
1161652529761247
121b95a826a0b5a7
13914904a549732
143a54a9bc0d475
15197cbb17b7edd
hexc0ec868d258f

212122102211983 has 8 divisors (see below), whose sum is σ = 212611155609600. Its totient is φ = 211633075449528.

The previous prime is 212122102211951. The next prime is 212122102212023. The reversal of 212122102211983 is 389112201221212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212122102211983 - 25 = 212122102211951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212122102211683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9331758 + ... + 22612516.

It is an arithmetic number, because the mean of its divisors is an integer number (26576394451200).

Almost surely, 2212122102211983 is an apocalyptic number.

212122102211983 is a deficient number, since it is larger than the sum of its proper divisors (489053397617).

212122102211983 is a wasteful number, since it uses less digits than its factorization.

212122102211983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13317581.

The product of its (nonzero) digits is 13824, while the sum is 37.

The spelling of 212122102211983 in words is "two hundred twelve trillion, one hundred twenty-two billion, one hundred two million, two hundred eleven thousand, nine hundred eighty-three".

Divisors: 1 439 36383 13280759 15972137 5830253201 483193854697 212122102211983