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20635870045010 = 25111729380524987
BaseRepresentation
bin1001011000100101010011…
…01101000010001101010010
32201001202210021010122110112
410230102221231002031102
510201044230212420020
6111515553212001322
74226615045151413
oct454225155021522
981052707118415
1020635870045010
116636694734330
122393453160242
13b68c534a0c3c
14514ad23ab80a
1525bbbdd452c5
hex12c4a9b42352

20635870045010 has 64 divisors (see below), whose sum is σ = 44384434600320. Its totient is φ = 6819007749120.

The previous prime is 20635870044997. The next prime is 20635870045123. The reversal of 20635870045010 is 1054007853602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 190208264 + ... + 190316723.

It is an arithmetic number, because the mean of its divisors is an integer number (693506790630).

Almost surely, 220635870045010 is an apocalyptic number.

20635870045010 is an abundant number, since it is smaller than the sum of its proper divisors (23748564555310).

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

20635870045010 is a wasteful number, since it uses less digits than its factorization.

20635870045010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380525051.

The product of its (nonzero) digits is 201600, while the sum is 41.

Adding to 20635870045010 its reverse (1054007853602), we get a palindrome (21689877898612).

The spelling of 20635870045010 in words is "twenty trillion, six hundred thirty-five billion, eight hundred seventy million, forty-five thousand, ten".

Divisors: 1 2 5 10 11 17 22 29 34 55 58 85 110 145 170 187 290 319 374 493 638 935 986 1595 1870 2465 3190 4930 5423 10846 27115 54230 380524987 761049974 1902624935 3805249870 4185774857 6468924779 8371549714 11035224623 12937849558 20928874285 22070449246 32344623895 41857748570 55176123115 64689247790 71158172569 110352246230 121387470853 142316345138 187598818591 242774941706 355790862845 375197637182 606937354265 711581725690 937994092955 1213874708530 1875988185910 2063587004501 4127174009002 10317935022505 20635870045010