Base | Representation |
---|---|
bin | 1000011101101011010… |
… | …1010010111101100010 |
3 | 111220022112202211220010 |
4 | 2013122311102331202 |
5 | 4340242230401104 |
6 | 150444232425350 |
7 | 13335164604525 |
oct | 2073265227542 |
9 | 456275684803 |
10 | 145405325154 |
11 | 56736573a11 |
12 | 2421bb48256 |
13 | 109336a7c4b |
14 | 707547cbbc |
15 | 3bb053e489 |
hex | 21dad52f62 |
145405325154 has 8 divisors (see below), whose sum is σ = 290810650320. Its totient is φ = 48468441716.
The previous prime is 145405325101. The next prime is 145405325159. The reversal of 145405325154 is 451523504541.
It is a sphenic number, since it is the product of 3 distinct primes.
145405325154 is an admirable number.
It is a super-2 number, since 2×1454053251542 (a number of 23 digits) contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (145405325159) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12117110424 + ... + 12117110435.
It is an arithmetic number, because the mean of its divisors is an integer number (36351331290).
Almost surely, 2145405325154 is an apocalyptic number.
145405325154 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145405325154 is a wasteful number, since it uses less digits than its factorization.
145405325154 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24234220864.
The product of its (nonzero) digits is 240000, while the sum is 39.
Adding to 145405325154 its reverse (451523504541), we get a palindrome (596928829695).
The spelling of 145405325154 in words is "one hundred forty-five billion, four hundred five million, three hundred twenty-five thousand, one hundred fifty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •