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13866139848 = 2331161861037
BaseRepresentation
bin11001110100111110…
…01000000011001000
31022210100120212222010
430322133020003020
5211344212433343
610211531255520
71000421146461
oct147237100310
938710525863
1013866139848
115976090110
12282b8aa5a0
1313cc9713a2
149577cdd68
155624e0d33
hex33a7c80c8

13866139848 has 64 divisors (see below), whose sum is σ = 38436736320. Its totient is φ = 4132972800.

The previous prime is 13866139831. The next prime is 13866139871. The reversal of 13866139848 is 84893166831.

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, 414415 + ... + 446622.

It is an arithmetic number, because the mean of its divisors is an integer number (600574005).

Almost surely, 213866139848 is an apocalyptic number.

It is an amenable number.

13866139848 is an abundant number, since it is smaller than the sum of its proper divisors (24570596472).

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

13866139848 is a wasteful number, since it uses less digits than its factorization.

13866139848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861118 (or 861114 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 57.

The spelling of 13866139848 in words is "thirteen billion, eight hundred sixty-six million, one hundred thirty-nine thousand, eight hundred forty-eight".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 61 66 88 122 132 183 244 264 366 488 671 732 1342 1464 2013 2684 4026 5368 8052 16104 861037 1722074 2583111 3444148 5166222 6888296 9471407 10332444 18942814 20664888 28414221 37885628 52523257 56828442 75771256 105046514 113656884 157569771 210093028 227313768 315139542 420186056 577755827 630279084 1155511654 1260558168 1733267481 2311023308 3466534962 4622046616 6933069924 13866139848