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10202013311 = 719477379283
BaseRepresentation
bin10011000000001011…
…00101111001111111
3222022222212222021212
421200011211321333
5131343203411221
64404200315035
7510546453020
oct114005457177
928288788255
1010202013311
114365852666
121b88772a7b
13c677cac89
146cad0ac47
153ea9b3b5b
hex260165e7f

10202013311 has 64 divisors (see below), whose sum is σ = 12912230400. Its totient is φ = 7867881216.

The previous prime is 10202013299. The next prime is 10202013329. The reversal of 10202013311 is 11331020201.

It is not a de Polignac number, because 10202013311 - 26 = 10202013247 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 (10202013391) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 36049376 + ... + 36049658.

It is an arithmetic number, because the mean of its divisors is an integer number (201753600).

Almost surely, 210202013311 is an apocalyptic number.

10202013311 is a deficient number, since it is larger than the sum of its proper divisors (2710217089).

10202013311 is a wasteful number, since it uses less digits than its factorization.

10202013311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 10202013311 its reverse (11331020201), we get a palindrome (21533033512).

The spelling of 10202013311 in words is "ten billion, two hundred two million, thirteen thousand, three hundred eleven".

Divisors: 1 7 19 47 73 79 133 283 329 511 553 893 1387 1501 1981 3431 3713 5377 5767 6251 9709 10507 13301 20659 22357 24017 25991 37639 40369 65189 70547 93107 109573 144613 156499 252719 271049 392521 424783 456323 493829 767011 970973 1050779 1632061 1769033 1897343 2747647 2973481 5149931 6796811 7355453 11424427 18448487 19964801 31009159 36049517 76706867 129139409 139753607 217064113 536948069 1457430473 10202013311