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13506441212 = 22113143230281
BaseRepresentation
bin11001001010000101…
…11110111111111100
31021212021202022012102
430211002332333330
5210130122104322
610112121524232
7655462566425
oct144502767774
937767668172
1013506441212
115801041210
12274b343678
1313732a0864
14921b1a64c
15540b3d792
hex3250beffc

13506441212 has 48 divisors (see below), whose sum is σ = 27235912704. Its totient is φ = 5803056000.

The previous prime is 13506441203. The next prime is 13506441283. The reversal of 13506441212 is 21214460531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56489 + ... + 173792.

It is an arithmetic number, because the mean of its divisors is an integer number (567414848).

Almost surely, 213506441212 is an apocalyptic number.

It is an amenable number.

13506441212 is an abundant number, since it is smaller than the sum of its proper divisors (13729471492).

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

13506441212 is a wasteful number, since it uses less digits than its factorization.

13506441212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230370 (or 230368 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 13506441212 in words is "thirteen billion, five hundred six million, four hundred forty-one thousand, two hundred twelve".

Divisors: 1 2 4 11 22 31 43 44 62 86 124 172 341 473 682 946 1333 1364 1892 2666 5332 14663 29326 58652 230281 460562 921124 2533091 5066182 7138711 9902083 10132364 14277422 19804166 28554844 39608332 78525821 108922913 157051642 217845826 306964573 314103284 435691652 613929146 1227858292 3376610303 6753220606 13506441212