Search a number
-
+
139575270017 = 1719287725933
BaseRepresentation
bin1000000111111101010…
…1011001101010000001
3111100021020111100202002
42001333111121222001
54241322232120032
6144041530233345
713040543135321
oct2017725315201
9440236440662
10139575270017
1154214668227
1223073585855
13102148a2391
146a8106b281
15396d7c5862
hex207f559a81

139575270017 has 24 divisors (see below), whose sum is σ = 156157016616. Its totient is φ = 124304315904.

The previous prime is 139575270013. The next prime is 139575270031. The reversal of 139575270017 is 710072575931.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 41959015921 + 97616254096 = 204839^2 + 312436^2 .

It is not a de Polignac number, because 139575270017 - 22 = 139575270013 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139575270013) 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, 5369183 + ... + 5395115.

It is an arithmetic number, because the mean of its divisors is an integer number (6506542359).

Almost surely, 2139575270017 is an apocalyptic number.

139575270017 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

139575270017 is a deficient number, since it is larger than the sum of its proper divisors (16581746599).

139575270017 is a wasteful number, since it uses less digits than its factorization.

139575270017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26865 (or 26846 counting only the distinct ones).

The product of its (nonzero) digits is 463050, while the sum is 47.

The spelling of 139575270017 in words is "one hundred thirty-nine billion, five hundred seventy-five million, two hundred seventy thousand, seventeen".

Divisors: 1 17 19 323 361 877 6137 14909 16663 25933 283271 316597 440861 492727 5382149 8376359 9361813 22743241 159150821 386635097 432121579 7346066843 8210310001 139575270017