Search a number
-
+
13839660375 = 35337997453
BaseRepresentation
bin11001110001110100…
…00111010101010111
31022201111202120221220
430320322013111113
5211320423113000
610205143541423
7666650113032
oct147072072527
938644676856
1013839660375
115962144752
122822a5a873
1313c732c968
1495409a019
155600101a0
hex338e87557

13839660375 has 32 divisors (see below), whose sum is σ = 23651629248. Its totient is φ = 7181654400.

The previous prime is 13839660347. The next prime is 13839660377. The reversal of 13839660375 is 57306693831.

It is a happy number.

It is not a de Polignac number, because 13839660375 - 232 = 9544693079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13839660377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 484852 + ... + 512601.

It is an arithmetic number, because the mean of its divisors is an integer number (739113414).

Almost surely, 213839660375 is an apocalyptic number.

13839660375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13839660375 is a deficient number, since it is larger than the sum of its proper divisors (9811968873).

13839660375 is an equidigital number, since it uses as much as digits as its factorization.

13839660375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997508 (or 997498 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 51.

The spelling of 13839660375 in words is "thirteen billion, eight hundred thirty-nine million, six hundred sixty thousand, three hundred seventy-five".

Divisors: 1 3 5 15 25 37 75 111 125 185 375 555 925 2775 4625 13875 997453 2992359 4987265 14961795 24936325 36905761 74808975 110717283 124681625 184528805 374044875 553586415 922644025 2767932075 4613220125 13839660375