Search a number
-
+
271920019173 = 3119091906391
BaseRepresentation
bin1111110100111110110…
…0100011011011100101
3221222212120111012112020
43331033230203123211
513423343011103143
6324530205413353
725434301012125
oct3751754433345
9858776435466
10271920019173
11a5358842080
124484956a259
131c84648943a
14d237ad2c85
1571173e9883
hex3f4fb236e5

271920019173 has 16 divisors (see below), whose sum is σ = 395563971072. Its totient is φ = 164781702000.

The previous prime is 271920019153. The next prime is 271920019187. The reversal of 271920019173 is 371910029172.

It is a happy number.

It is not a de Polignac number, because 271920019173 - 213 = 271920010981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (271920019153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153193 + ... + 753198.

It is an arithmetic number, because the mean of its divisors is an integer number (24722748192).

Almost surely, 2271920019173 is an apocalyptic number.

It is an amenable number.

271920019173 is a deficient number, since it is larger than the sum of its proper divisors (123643951899).

271920019173 is a wasteful number, since it uses less digits than its factorization.

271920019173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915496.

The product of its (nonzero) digits is 47628, while the sum is 42.

Subtracting 271920019173 from its reverse (371910029172), we obtain a palindrome (99990009999).

The spelling of 271920019173 in words is "two hundred seventy-one billion, nine hundred twenty million, nineteen thousand, one hundred seventy-three".

Divisors: 1 3 11 33 9091 27273 100001 300003 906391 2719173 9970301 29910903 8240000581 24720001743 90640006391 271920019173