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13855688875 = 537294211297
BaseRepresentation
bin11001110011101110…
…10000100010101011
31022202121220220221001
430321313100202223
5211334024021000
610210515255431
71000233261250
oct147167204253
938677826831
1013855688875
1159701a2146
1228282aa577
1313ca752492
1495626d427
1556162946a
hex339dd08ab

13855688875 has 64 divisors (see below), whose sum is σ = 20507984640. Its totient is φ = 9144576000.

The previous prime is 13855688809. The next prime is 13855688927. The reversal of 13855688875 is 57888655831.

It is not a de Polignac number, because 13855688875 - 215 = 13855656107 is a prime.

It is a super-2 number, since 2×138556888752 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10682227 + ... + 10683523.

It is an arithmetic number, because the mean of its divisors is an integer number (320437260).

Almost surely, 213855688875 is an apocalyptic number.

13855688875 is a deficient number, since it is larger than the sum of its proper divisors (6652295765).

13855688875 is a wasteful number, since it uses less digits than its factorization.

13855688875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1769 (or 1759 counting only the distinct ones).

The product of its digits is 64512000, while the sum is 64.

The spelling of 13855688875 in words is "thirteen billion, eight hundred fifty-five million, six hundred eighty-eight thousand, eight hundred seventy-five".

Divisors: 1 5 7 25 29 35 125 145 175 203 421 725 875 1015 1297 2105 2947 3625 5075 6485 9079 10525 12209 14735 25375 32425 37613 45395 52625 61045 73675 85463 162125 188065 226975 263291 305225 368375 427315 546037 940325 1134875 1316455 1526125 2136575 2730185 3822259 4701625 6582275 10682875 13650925 15835073 19111295 32911375 68254625 79175365 95556475 110845511 395876825 477782375 554227555 1979384125 2771137775 13855688875