Base | Representation |
---|---|
bin | 1001110111100011001… |
… | …1001011001101110000 |
3 | 121012120212100220220110 |
4 | 2131320303023031300 |
5 | 10234144240440434 |
6 | 205514200541320 |
7 | 15151056446460 |
oct | 2357063131560 |
9 | 535525326813 |
10 | 169530405744 |
11 | 65996549047 |
12 | 28a33481840 |
13 | 12ca988986b |
14 | 82c3557ba0 |
15 | 46234db4e9 |
hex | 2778ccb370 |
169530405744 has 80 divisors (see below), whose sum is σ = 500864728320. Its totient is φ = 48403737600.
The previous prime is 169530405739. The next prime is 169530405767. The reversal of 169530405744 is 447504035961.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a junction number, because it is equal to n+sod(n) for n = 169530405693 and 169530405702.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313672 + ... + 661400.
It is an arithmetic number, because the mean of its divisors is an integer number (6260809104).
Almost surely, 2169530405744 is an apocalyptic number.
169530405744 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
169530405744 is an abundant number, since it is smaller than the sum of its proper divisors (331334322576).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
169530405744 is a wasteful number, since it uses less digits than its factorization.
169530405744 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 349198 (or 349192 counting only the distinct ones).
The product of its (nonzero) digits is 1814400, while the sum is 48.
The spelling of 169530405744 in words is "one hundred sixty-nine billion, five hundred thirty million, four hundred five thousand, seven hundred forty-four".
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