Base | Representation |
---|---|
bin | 1000011101010010000… |
… | …0010010100101010111 |
3 | 111220001010222212012211 |
4 | 2013110200102211113 |
5 | 4340033040432122 |
6 | 150425521054251 |
7 | 13332435304426 |
oct | 2072440224527 |
9 | 456033885184 |
10 | 145299155287 |
11 | 56691648a20 |
12 | 241b0487387 |
13 | 109176b4040 |
14 | 70653232bd |
15 | 3ba606b877 |
hex | 21d4812957 |
145299155287 has 8 divisors (see below), whose sum is σ = 170701105680. Its totient is φ = 121929360960.
The previous prime is 145299155269. The next prime is 145299155327. The reversal of 145299155287 is 782551992541.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 145299155287 - 235 = 110939416919 is a prime.
It is a super-2 number, since 2×1452991552872 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145299155207) 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, 508038862 + ... + 508039147.
It is an arithmetic number, because the mean of its divisors is an integer number (21337638210).
Almost surely, 2145299155287 is an apocalyptic number.
145299155287 is a deficient number, since it is larger than the sum of its proper divisors (25401950393).
145299155287 is a wasteful number, since it uses less digits than its factorization.
145299155287 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1016078033.
The product of its digits is 9072000, while the sum is 58.
The spelling of 145299155287 in words is "one hundred forty-five billion, two hundred ninety-nine million, one hundred fifty-five thousand, two hundred eighty-seven".
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