Base | Representation |
---|---|
bin | 1111111101011011111… |
… | …1110001011100100000 |
3 | 222012201202211020101222 |
4 | 3333112333301130200 |
5 | 13443020113401342 |
6 | 325543334514212 |
7 | 25544453250041 |
oct | 3772677613440 |
9 | 865652736358 |
10 | 274189981472 |
11 | a6313107380 |
12 | 45181805968 |
13 | 1cb188453b4 |
14 | d3b13828c8 |
15 | 71eb835ed2 |
hex | 3fd6ff1720 |
274189981472 has 48 divisors (see below), whose sum is σ = 607881625344. Its totient is φ = 120611424000.
The previous prime is 274189981459. The next prime is 274189981477.
274189981472 is nontrivially palindromic in base 10.
It is a Harshad number since it is a multiple of its sum of digits (62).
It is not an unprimeable number, because it can be changed into a prime (274189981477) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12552779 + ... + 12574602.
It is an arithmetic number, because the mean of its divisors is an integer number (12664200528).
Almost surely, 2274189981472 is an apocalyptic number.
274189981472 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
274189981472 is an abundant number, since it is smaller than the sum of its proper divisors (333691643872).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
274189981472 is a wasteful number, since it uses less digits than its factorization.
274189981472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25127433 (or 25127425 counting only the distinct ones).
The product of its digits is 16257024, while the sum is 62.
The spelling of 274189981472 in words is "two hundred seventy-four billion, one hundred eighty-nine million, nine hundred eighty-one thousand, four hundred seventy-two".
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