Base | Representation |
---|---|
bin | 10100000100000011100… |
… | …011110110010111110010 |
3 | 11212210210001111212120100 |
4 | 110010003203312113302 |
5 | 140042132010401120 |
6 | 2533215241453230 |
7 | 201416365413150 |
oct | 24040343662762 |
9 | 4783701455510 |
10 | 1378744231410 |
11 | 4917a41a1797 |
12 | 1a32627a1216 |
13 | a002700cb00 |
14 | 4aa356383d0 |
15 | 25ce703e490 |
hex | 141038f65f2 |
1378744231410 has 144 divisors (see below), whose sum is σ = 4436223539904. Its totient is φ = 290899859328.
The previous prime is 1378744231393. The next prime is 1378744231411. The reversal of 1378744231410 is 141324478731.
1378744231410 is a `hidden beast` number, since 1 + 3 + 7 + 87 + 4 + 423 + 141 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is not an unprimeable number, because it can be changed into a prime (1378744231411) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6368332 + ... + 6581271.
It is an arithmetic number, because the mean of its divisors is an integer number (30807107916).
Almost surely, 21378744231410 is an apocalyptic number.
1378744231410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1378744231410 is an abundant number, since it is smaller than the sum of its proper divisors (3057479308494).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1378744231410 is a wasteful number, since it uses less digits than its factorization.
1378744231410 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12949649 (or 12949633 counting only the distinct ones).
The product of its (nonzero) digits is 451584, while the sum is 45.
The spelling of 1378744231410 in words is "one trillion, three hundred seventy-eight billion, seven hundred forty-four million, two hundred thirty-one thousand, four hundred ten".
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