Search a number
-
+
270138969705 = 351110911500647
BaseRepresentation
bin1111101110010110001…
…0011000111001101001
3221211021110010111222010
43323211202120321221
513411221034012310
6324033343350133
725342203233103
oct3734542307151
9854243114863
10270138969705
11a4624451270
1244430bb2349
131c6214a2c07
14d109350573
157060d86320
hex3ee5898e69

270138969705 has 32 divisors (see below), whose sum is σ = 471947793408. Its totient is φ = 130856331200.

The previous prime is 270138969701. The next prime is 270138969757. The reversal of 270138969705 is 507969831072.

It is not a de Polignac number, because 270138969705 - 22 = 270138969701 is a prime.

It is not an unprimeable number, because it can be changed into a prime (270138969701) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 570309 + ... + 930338.

It is an arithmetic number, because the mean of its divisors is an integer number (14748368544).

Almost surely, 2270138969705 is an apocalyptic number.

It is an amenable number.

270138969705 is a deficient number, since it is larger than the sum of its proper divisors (201808823703).

270138969705 is a wasteful number, since it uses less digits than its factorization.

270138969705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501757.

The product of its (nonzero) digits is 5715360, while the sum is 57.

The spelling of 270138969705 in words is "two hundred seventy billion, one hundred thirty-eight million, nine hundred sixty-nine thousand, seven hundred five".

Divisors: 1 3 5 11 15 33 55 165 1091 3273 5455 12001 16365 36003 60005 180015 1500647 4501941 7503235 16507117 22509705 49521351 82535585 247606755 1637205877 4911617631 8186029385 18009264647 24558088155 54027793941 90046323235 270138969705