Search a number
-
+
13866161375 = 53112916771
BaseRepresentation
bin11001110100111110…
…01101010011011111
31022210100121222111102
430322133031103133
5211344214131000
610211531543315
71000421266313
oct147237152337
938710558442
1013866161375
1159760a5300
12282b8bab3b
1313cc97b121
149577d7b43
155624e73d5
hex33a7cd4df

13866161375 has 24 divisors (see below), whose sum is σ = 19021185456. Its totient is φ = 10084470000.

The previous prime is 13866161369. The next prime is 13866161377. The reversal of 13866161375 is 57316166831.

It is not a de Polignac number, because 13866161375 - 28 = 13866161119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13866161377) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 443261 + ... + 473510.

It is an arithmetic number, because the mean of its divisors is an integer number (792549394).

Almost surely, 213866161375 is an apocalyptic number.

13866161375 is a deficient number, since it is larger than the sum of its proper divisors (5155024081).

13866161375 is an equidigital number, since it uses as much as digits as its factorization.

13866161375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916808 (or 916787 counting only the distinct ones).

The product of its digits is 544320, while the sum is 47.

The spelling of 13866161375 in words is "thirteen billion, eight hundred sixty-six million, one hundred sixty-one thousand, three hundred seventy-five".

Divisors: 1 5 11 25 55 121 125 275 605 1375 3025 15125 916771 4583855 10084481 22919275 50422405 110929291 114596375 252112025 554646455 1260560125 2773232275 13866161375