Search a number
-
+
138027170274 = 2372469480171
BaseRepresentation
bin1000000010001100001…
…1110111100111100010
3111012021100110202010120
42000203003313213202
54230134423422044
6143224145141110
712654304406100
oct2004303674742
9435240422116
10138027170274
115359a814a54
122290102a796
1310028c3b926
146975606c70
1538cc929519
hex20230f79e2

138027170274 has 24 divisors (see below), whose sum is σ = 321124437648. Its totient is φ = 39436334280.

The previous prime is 138027170269. The next prime is 138027170327. The reversal of 138027170274 is 472071720831.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 234739792 + ... + 234740379.

It is an arithmetic number, because the mean of its divisors is an integer number (13380184902).

Almost surely, 2138027170274 is an apocalyptic number.

138027170274 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

138027170274 is an abundant number, since it is smaller than the sum of its proper divisors (183097267374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138027170274 is a wasteful number, since it uses less digits than its factorization.

138027170274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469480190 (or 469480183 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 42.

The spelling of 138027170274 in words is "one hundred thirty-eight billion, twenty-seven million, one hundred seventy thousand, two hundred seventy-four".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 469480171 938960342 1408440513 2816881026 3286361197 6572722394 9859083591 19718167182 23004528379 46009056758 69013585137 138027170274