Base | Representation |
---|---|
bin | 1000011110111001000… |
… | …0100100011100011100 |
3 | 111221011021001010102101 |
4 | 2013232100210130130 |
5 | 4341424144214011 |
6 | 150540434134444 |
7 | 13346233054642 |
oct | 2075620443434 |
9 | 457137033371 |
10 | 145731241756 |
11 | 56893539981 |
12 | 242b1121424 |
13 | 1098607b1c9 |
14 | 70a687b192 |
15 | 3bcde6c2c1 |
hex | 21ee42471c |
145731241756 has 12 divisors (see below), whose sum is σ = 255036737592. Its totient is φ = 72863602448.
The previous prime is 145731241753. The next prime is 145731241823. The reversal of 145731241756 is 657142137541.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145731241751) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 335890 + ... + 635833.
It is an arithmetic number, because the mean of its divisors is an integer number (21253061466).
Almost surely, 2145731241756 is an apocalyptic number.
It is an amenable number.
145731241756 is a deficient number, since it is larger than the sum of its proper divisors (109305495836).
145731241756 is a wasteful number, since it uses less digits than its factorization.
145731241756 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1009220 (or 1009218 counting only the distinct ones).
The product of its digits is 705600, while the sum is 46.
The spelling of 145731241756 in words is "one hundred forty-five billion, seven hundred thirty-one million, two hundred forty-one thousand, seven hundred fifty-six".
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