Base | Representation |
---|---|
bin | 100000110001101111011100… |
… | …001101000001011101110101 |
3 | 200220102011000022121220211000 |
4 | 200301233130031001131311 |
5 | 122343321314012211140 |
6 | 1230332112253233513 |
7 | 42235622115301620 |
oct | 4061573415013565 |
9 | 626364008556730 |
10 | 144155681757045 |
11 | 41a29099248142 |
12 | 14202406192899 |
13 | 6258a8cc39aaa |
14 | 278525a828db7 |
15 | 119ec47c99a30 |
hex | 831bdc341775 |
144155681757045 has 128 divisors (see below), whose sum is σ = 293262954209280. Its totient is φ = 65815339345920.
The previous prime is 144155681757029. The next prime is 144155681757047. The reversal of 144155681757045 is 540757186551441.
144155681757045 is a `hidden beast` number, since 1 + 4 + 4 + 1 + 5 + 5 + 6 + 8 + 17 + 570 + 45 = 666.
144155681757045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 144155681757045 - 24 = 144155681757029 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (63).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144155681757047) by changing a digit.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 9791182054 + ... + 9791196776.
It is an arithmetic number, because the mean of its divisors is an integer number (2291116829760).
Almost surely, 2144155681757045 is an apocalyptic number.
144155681757045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
144155681757045 is an abundant number, since it is smaller than the sum of its proper divisors (149107272452235).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144155681757045 is a wasteful number, since it uses less digits than its factorization.
144155681757045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27312 (or 27306 counting only the distinct ones).
The product of its (nonzero) digits is 94080000, while the sum is 63.
The spelling of 144155681757045 in words is "one hundred forty-four trillion, one hundred fifty-five billion, six hundred eighty-one million, seven hundred fifty-seven thousand, forty-five".
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