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212190749094961 = 7133175218273341
BaseRepresentation
bin110000001111110010000010…
…001110010111010000110001
31000211022020102010210011211201
4300033302002032113100301
5210303013123232014321
62031143030122411201
762460163400021440
oct6017620216272061
91024266363704751
10212190749094961
116167965607648a
121b96bba4660b01
13915266a54c010
143a58130c38d57
15197e87d1e5291
hexc0fc82397431

212190749094961 has 16 divisors (see below), whose sum is σ = 269582291657728. Its totient is φ = 162471470414400.

The previous prime is 212190749094953. The next prime is 212190749094979. The reversal of 212190749094961 is 169490947091212.

It is not a de Polignac number, because 212190749094961 - 23 = 212190749094953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212190749094893 and 212190749094902.

It is not an unprimeable number, because it can be changed into a prime (212190749094941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37609133850 + ... + 37609139491.

It is an arithmetic number, because the mean of its divisors is an integer number (16848893228608).

Almost surely, 2212190749094961 is an apocalyptic number.

It is an amenable number.

212190749094961 is a deficient number, since it is larger than the sum of its proper divisors (57391542562767).

212190749094961 is a wasteful number, since it uses less digits than its factorization.

212190749094961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75218273392.

The product of its (nonzero) digits is 17635968, while the sum is 64.

The spelling of 212190749094961 in words is "two hundred twelve trillion, one hundred ninety billion, seven hundred forty-nine million, ninety-four thousand, nine hundred sixty-one".

Divisors: 1 7 13 31 91 217 403 2821 75218273341 526527913387 977837553433 2331766473571 6844862874031 16322365314997 30312964156423 212190749094961