Base | Representation |
---|---|
bin | 10001010010011… |
… | …11111110001011 |
3 | 101002220100012102 |
4 | 20221033332023 |
5 | 244111443201 |
6 | 22220304015 |
7 | 3410513024 |
oct | 1051177613 |
9 | 332810172 |
10 | 145031051 |
11 | 74958a80 |
12 | 406a200b |
13 | 2407c2b9 |
14 | 15393c4b |
15 | caec26b |
hex | 8a4ff8b |
145031051 has 16 divisors (see below), whose sum is σ = 164975616. Its totient is φ = 126300000.
The previous prime is 145031039. The next prime is 145031111. The reversal of 145031051 is 150130541.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-145031051 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (145031021) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32336 + ... + 36546.
It is an arithmetic number, because the mean of its divisors is an integer number (10310976).
Almost surely, 2145031051 is an apocalyptic number.
145031051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
145031051 is a deficient number, since it is larger than the sum of its proper divisors (19944565).
145031051 is a wasteful number, since it uses less digits than its factorization.
145031051 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4354.
The product of its (nonzero) digits is 300, while the sum is 20.
The square root of 145031051 is about 12042.8838323717. The cubic root of 145031051 is about 525.3962855284.
Adding to 145031051 its reverse (150130541), we get a palindrome (295161592).
The spelling of 145031051 in words is "one hundred forty-five million, thirty-one thousand, fifty-one".
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