Base | Representation |
---|---|
bin | 100111001111001101… |
… | …100011110101101101 |
3 | 11000202012011212112102 |
4 | 213033031203311231 |
5 | 1142241033102140 |
6 | 31204344344445 |
7 | 3021022546514 |
oct | 471715436555 |
9 | 130665155472 |
10 | 42131144045 |
11 | 1695aa29111 |
12 | 81b9775125 |
13 | 3c85756043 |
14 | 207964367b |
15 | 1168b51e15 |
hex | 9cf363d6d |
42131144045 has 8 divisors (see below), whose sum is σ = 51269448960. Its totient is φ = 33230197840.
The previous prime is 42131144023. The next prime is 42131144051. The reversal of 42131144045 is 54044113124.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-42131144045 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 42131143999 and 42131144017.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59339285 + ... + 59339994.
It is an arithmetic number, because the mean of its divisors is an integer number (6408681120).
Almost surely, 242131144045 is an apocalyptic number.
It is an amenable number.
42131144045 is a deficient number, since it is larger than the sum of its proper divisors (9138304915).
42131144045 is a wasteful number, since it uses less digits than its factorization.
42131144045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 118679355.
The product of its (nonzero) digits is 7680, while the sum is 29.
Adding to 42131144045 its reverse (54044113124), we get a palindrome (96175257169).
The spelling of 42131144045 in words is "forty-two billion, one hundred thirty-one million, one hundred forty-four thousand, forty-five".
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