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13689853254 = 2347115320707
BaseRepresentation
bin11001011111111101…
…01001010101000110
31022100001212121020000
430233332221111012
5211014100301004
610142233022130
7663150555420
oct145776512506
938301777200
1013689853254
115895624410
1227a0854946
1313a229a7ac
1493c221810
15551cbcc39
hex32ffa9546

13689853254 has 160 divisors (see below), whose sum is σ = 38968148736. Its totient is φ = 3488546880.

The previous prime is 13689853241. The next prime is 13689853297. The reversal of 13689853254 is 45235898631.

13689853254 is a `hidden beast` number, since 13 + 6 + 8 + 98 + 532 + 5 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 13689853254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 650769 + ... + 671475.

Almost surely, 213689853254 is an apocalyptic number.

13689853254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13689853254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19484074368).

13689853254 is an abundant number, since it is smaller than the sum of its proper divisors (25278295482).

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

13689853254 is a wasteful number, since it uses less digits than its factorization.

13689853254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20792 (or 20783 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 54.

The spelling of 13689853254 in words is "thirteen billion, six hundred eighty-nine million, eight hundred fifty-three thousand, two hundred fifty-four".

Divisors: 1 2 3 6 7 9 11 14 18 21 22 27 33 42 53 54 63 66 77 81 99 106 126 154 159 162 189 198 231 297 318 371 378 462 477 567 583 594 693 742 891 954 1113 1134 1166 1386 1431 1749 1782 2079 2226 2862 3339 3498 4081 4158 4293 5247 6237 6678 8162 8586 10017 10494 12243 12474 15741 20034 20707 24486 30051 31482 36729 41414 47223 60102 62121 73458 94446 110187 124242 144949 186363 220374 227777 289898 330561 372726 434847 455554 559089 661122 683331 869694 1097471 1118178 1304541 1366662 1594439 1677267 2049993 2194942 2609082 3188878 3292413 3354534 3913623 4099986 4783317 6149979 6584826 7682297 7827246 9566634 9877239 11740869 12072181 12299958 14349951 15364594 18449937 19754478 23046891 23481738 24144362 28699902 29631717 36216543 36899874 43049853 46093782 59263434 69140673 72433086 84505267 86099706 88895151 108649629 129149559 138281346 169010534 177790302 207422019 217299258 253515801 258299118 325948887 414844038 507031602 622266057 651897774 760547403 977846661 1244532114 1521094806 1955693322 2281642209 4563284418 6844926627 13689853254