Base | Representation |
---|---|
bin | 1000011100001010111… |
… | …1000100110010000111 |
3 | 111212021101001002100002 |
4 | 2013002233010302013 |
5 | 4333430231303111 |
6 | 150340151311515 |
7 | 13322155340600 |
oct | 2070257046207 |
9 | 455241032302 |
10 | 145001041031 |
11 | 56549342300 |
12 | 2412867b59b |
13 | 1089a9c6682 |
14 | 70378c0da7 |
15 | 3b89cd163b |
hex | 21c2bc4c87 |
145001041031 has 18 divisors (see below), whose sum is σ = 185402755440. Its totient is φ = 112987819560.
The previous prime is 145001040979. The next prime is 145001041043. The reversal of 145001041031 is 130140100541.
It is a happy number.
It is not a de Polignac number, because 145001041031 - 26 = 145001040967 is a prime.
It is a super-2 number, since 2×1450010410312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 145001040994 and 145001041012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145001041931) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12222191 + ... + 12234048.
It is an arithmetic number, because the mean of its divisors is an integer number (10300153080).
Almost surely, 2145001041031 is an apocalyptic number.
145001041031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
145001041031 is a deficient number, since it is larger than the sum of its proper divisors (40401714409).
145001041031 is a wasteful number, since it uses less digits than its factorization.
145001041031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24456275 (or 24456257 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 20.
Adding to 145001041031 its reverse (130140100541), we get a palindrome (275141141572).
The spelling of 145001041031 in words is "one hundred forty-five billion, one million, forty-one thousand, thirty-one".
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