Base | Representation |
---|---|
bin | 100000111111100110001111… |
… | …000111010010011000010100 |
3 | 201000210011210000221201211001 |
4 | 200333212033013102120110 |
5 | 123004421410003210130 |
6 | 1232341345152353044 |
7 | 42364461214465600 |
oct | 4077461707223024 |
9 | 630704700851731 |
10 | 145107871147540 |
11 | 422659a2343514 |
12 | 14336a64545784 |
13 | 62c77c8c21142 |
14 | 27b938921a500 |
15 | 11b98c6e8e6ca |
hex | 83f98f1d2614 |
145107871147540 has 72 divisors (see below), whose sum is σ = 369889877814912. Its totient is φ = 47588171400000.
The previous prime is 145107871147511. The next prime is 145107871147579. The reversal of 145107871147540 is 45741178701541.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3218874336 + ... + 3218919415.
It is an arithmetic number, because the mean of its divisors is an integer number (5137359414096).
Almost surely, 2145107871147540 is an apocalyptic number.
145107871147540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
145107871147540 is an abundant number, since it is smaller than the sum of its proper divisors (224782006667372).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145107871147540 is a wasteful number, since it uses less digits than its factorization.
145107871147540 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6437793797 (or 6437793788 counting only the distinct ones).
The product of its (nonzero) digits is 4390400, while the sum is 55.
The spelling of 145107871147540 in words is "one hundred forty-five trillion, one hundred seven billion, eight hundred seventy-one million, one hundred forty-seven thousand, five hundred forty".
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