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13936946605 = 517318189017
BaseRepresentation
bin11001111101011010…
…01110110110101101
31022222021211020120121
430332231032312231
5212020324242410
610222541044541
71002241043251
oct147655166655
938867736517
1013936946605
115a0205229a
12284b556751
13141153318a
14962d82261
1556882a9da
hex33eb4edad

13936946605 has 16 divisors (see below), whose sum is σ = 16914132144. Its totient is φ = 11023741440.

The previous prime is 13936946567. The next prime is 13936946651. The reversal of 13936946605 is 50664963931.

It can be written as a sum of positive squares in 8 ways, for example, as 941630596 + 12995316009 = 30686^2 + 113997^2 .

It is a de Polignac number, because none of the positive numbers 2k-13936946605 is a prime.

It is a Duffinian number.

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, 112057 + ... + 201073.

It is an arithmetic number, because the mean of its divisors is an integer number (1057133259).

Almost surely, 213936946605 is an apocalyptic number.

It is an amenable number.

13936946605 is a deficient number, since it is larger than the sum of its proper divisors (2977185539).

13936946605 is a wasteful number, since it uses less digits than its factorization.

13936946605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89376.

The product of its (nonzero) digits is 3149280, while the sum is 52.

The spelling of 13936946605 in words is "thirteen billion, nine hundred thirty-six million, nine hundred forty-six thousand, six hundred five".

Divisors: 1 5 173 181 865 905 31313 89017 156565 445085 15399941 16112077 76999705 80560385 2787389321 13936946605