Base | Representation |
---|---|
bin | 1000011101101001010… |
… | …0101010001110010110 |
3 | 111220021221200011222221 |
4 | 2013122110222032112 |
5 | 4340233033112221 |
6 | 150443325212554 |
7 | 13335032102500 |
oct | 2073224521626 |
9 | 456257604887 |
10 | 145396769686 |
11 | 56731760083 |
12 | 2421910115a |
13 | 109319a0a3c |
14 | 7074292d70 |
15 | 3bae8ee541 |
hex | 21da52a396 |
145396769686 has 96 divisors (see below), whose sum is σ = 282037386240. Its totient is φ = 55750996224.
The previous prime is 145396769671. The next prime is 145396769753. The reversal of 145396769686 is 686967693541.
It is a super-2 number, since 2×1453967696862 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6234195 + ... + 6257473.
It is an arithmetic number, because the mean of its divisors is an integer number (2937889440).
Almost surely, 2145396769686 is an apocalyptic number.
145396769686 is a deficient number, since it is larger than the sum of its proper divisors (136640616554).
145396769686 is a wasteful number, since it uses less digits than its factorization.
145396769686 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23498 (or 23491 counting only the distinct ones).
The product of its digits is 352719360, while the sum is 70.
The spelling of 145396769686 in words is "one hundred forty-five billion, three hundred ninety-six million, seven hundred sixty-nine thousand, six hundred eighty-six".
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