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211321130307 = 37195967133981
BaseRepresentation
bin1100010011001110111…
…0001000110101000011
3202012110022222200200220
43010303232020311003
511430241202132212
6241025105114123
721160506653550
oct3046356106503
9665408880626
10211321130307
11816912a5a41
1234b57028943
1316c09932351
14a3298a5a27
15576c2e838c
hex3133b88d43

211321130307 has 64 divisors (see below), whose sum is σ = 349853798400. Its totient is φ = 110781095040.

The previous prime is 211321130299. The next prime is 211321130323. The reversal of 211321130307 is 703031123112.

It is not a de Polignac number, because 211321130307 - 23 = 211321130299 is a prime.

It is a super-3 number, since 3×2113211303073 (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (211321130357) 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, 1510257 + ... + 1644237.

It is an arithmetic number, because the mean of its divisors is an integer number (5466465600).

Almost surely, 2211321130307 is an apocalyptic number.

211321130307 is a deficient number, since it is larger than the sum of its proper divisors (138532668093).

211321130307 is a wasteful number, since it uses less digits than its factorization.

211321130307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134136.

The product of its (nonzero) digits is 756, while the sum is 24.

Adding to 211321130307 its reverse (703031123112), we get a palindrome (914352253419).

The spelling of 211321130307 in words is "two hundred eleven billion, three hundred twenty-one million, one hundred thirty thousand, three hundred seven".

Divisors: 1 3 7 19 21 57 59 67 133 177 201 399 413 469 1121 1239 1273 1407 3363 3819 3953 7847 8911 11859 23541 26733 27671 75107 83013 133981 225321 401943 525749 937867 1577247 2545639 2813601 7636917 7904879 8976727 17819473 23714637 26930181 53458419 55334153 62837089 150192701 166002459 170557813 188511267 450578103 511673439 529626893 1051348907 1193904691 1588880679 3154046721 3581714073 3707388251 10062910967 11122164753 30188732901 70440376769 211321130307