Base | Representation |
---|---|
bin | 1000011111000110110… |
… | …0100101010111010111 |
3 | 111221022021120100021012 |
4 | 2013301230211113113 |
5 | 4342033430322312 |
6 | 150550254242435 |
7 | 13350533230643 |
oct | 2076154452727 |
9 | 457267510235 |
10 | 145788917207 |
11 | 5691305233a |
12 | 243084b641b |
13 | 10994cc30ab |
14 | 70b03b1c23 |
15 | 3bd4061322 |
hex | 21f1b255d7 |
145788917207 has 8 divisors (see below), whose sum is σ = 150501652992. Its totient is φ = 141076798200.
The previous prime is 145788917191. The next prime is 145788917249. The reversal of 145788917207 is 702719887541.
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 145788917207 - 24 = 145788917191 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145788917707) 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, 352688 + ... + 644954.
It is an arithmetic number, because the mean of its divisors is an integer number (18812706624).
Almost surely, 2145788917207 is an apocalyptic number.
145788917207 is a deficient number, since it is larger than the sum of its proper divisors (4712735785).
145788917207 is a wasteful number, since it uses less digits than its factorization.
145788917207 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 308389.
The product of its (nonzero) digits is 7902720, while the sum is 59.
The spelling of 145788917207 in words is "one hundred forty-five billion, seven hundred eighty-eight million, nine hundred seventeen thousand, two hundred seven".
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