Base | Representation |
---|---|
bin | 1000011100101111101… |
… | …0100100110000110111 |
3 | 111212200002211120200101 |
4 | 2013023322210300313 |
5 | 4334234143104201 |
6 | 150403332254531 |
7 | 13326035400130 |
oct | 2071372446067 |
9 | 455602746611 |
10 | 145155050551 |
11 | 566182729a5 |
12 | 24170171447 |
13 | 108c389a574 |
14 | 7050130c87 |
15 | 3b985a3d01 |
hex | 21cbea4c37 |
145155050551 has 8 divisors (see below), whose sum is σ = 167157834624. Its totient is φ = 123468853560.
The previous prime is 145155050543. The next prime is 145155050563. The reversal of 145155050551 is 155050551541.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 145155050551 - 23 = 145155050543 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 145155050551.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145155050531) 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, 79145785 + ... + 79147618.
It is an arithmetic number, because the mean of its divisors is an integer number (20894729328).
Almost surely, 2145155050551 is an apocalyptic number.
145155050551 is a deficient number, since it is larger than the sum of its proper divisors (22002784073).
145155050551 is a wasteful number, since it uses less digits than its factorization.
145155050551 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 158293541.
The product of its (nonzero) digits is 62500, while the sum is 37.
The spelling of 145155050551 in words is "one hundred forty-five billion, one hundred fifty-five million, fifty thousand, five hundred fifty-one".
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