Base | Representation |
---|---|
bin | 1000011100101111101… |
… | …1101111000110101010 |
3 | 111212200010102001101010 |
4 | 2013023323233012222 |
5 | 4334234232330200 |
6 | 150403343004350 |
7 | 13326041105646 |
oct | 2071373570652 |
9 | 455603361333 |
10 | 145155355050 |
11 | 56618460752 |
12 | 241702996b6 |
13 | 108c3976044 |
14 | 70501adc26 |
15 | 3b98614150 |
hex | 21cbeef1aa |
145155355050 has 48 divisors (see below), whose sum is σ = 360365765472. Its totient is φ = 38667182400.
The previous prime is 145155354917. The next prime is 145155355061. The reversal of 145155355050 is 50553551541.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 368881 + ... + 652980.
It is an arithmetic number, because the mean of its divisors is an integer number (7507620114).
Almost surely, 2145155355050 is an apocalyptic number.
145155355050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
145155355050 is an abundant number, since it is smaller than the sum of its proper divisors (215210410422).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145155355050 is a wasteful number, since it uses less digits than its factorization.
145155355050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1022823 (or 1022818 counting only the distinct ones).
The product of its (nonzero) digits is 187500, while the sum is 39.
The spelling of 145155355050 in words is "one hundred forty-five billion, one hundred fifty-five million, three hundred fifty-five thousand, fifty".
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