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164404653210511 = 72345715361145463
BaseRepresentation
bin100101011000011001110000…
…111101000011101110001111
3210120002221010221210200222221
4211120121300331003232033
5133022101212210214021
61341354242141520211
746425562365626410
oct4530316075035617
9716087127720887
10164404653210511
114842569279816a
1216532881873067
1370973a5188c9c
142c85328a39807
1514018204ca241
hex958670f43b8f

164404653210511 has 32 divisors (see below), whose sum is σ = 196503365634048. Its totient is φ = 134486764093440.

The previous prime is 164404653210509. The next prime is 164404653210607. The reversal of 164404653210511 is 115012356404461.

It is a cyclic number.

It is not a de Polignac number, because 164404653210511 - 21 = 164404653210509 is a prime.

It is a super-3 number, since 3×1644046532105113 (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164404653210311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1130143566 + ... + 1130289028.

It is an arithmetic number, because the mean of its divisors is an integer number (6140730176064).

Almost surely, 2164404653210511 is an apocalyptic number.

164404653210511 is a deficient number, since it is larger than the sum of its proper divisors (32098712423537).

164404653210511 is a wasteful number, since it uses less digits than its factorization.

164404653210511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161311.

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 164404653210511 in words is "one hundred sixty-four trillion, four hundred four billion, six hundred fifty-three million, two hundred ten thousand, five hundred eleven".

Divisors: 1 7 23 161 457 3199 10511 15361 73577 107527 145463 353303 1018241 2473121 3345649 7019977 23419543 49139839 66476591 161459471 465336137 1130216297 1528961593 2234457143 10702731151 15641200001 51392514289 359747600023 1021146914351 7148028400457 23486379030073 164404653210511