Base | Representation |
---|---|
bin | 10110100111011011010… |
… | …010111100000110101100 |
3 | 12111120120020200120010000 |
4 | 112213123102330012230 |
5 | 200430411031301230 |
6 | 3145550005144300 |
7 | 220166410111506 |
oct | 26473322740654 |
9 | 5446506616100 |
10 | 1554162368940 |
11 | 54a13115a875 |
12 | 2112599bb090 |
13 | b373161781c |
14 | 55316ad8d76 |
15 | 2a662388b60 |
hex | 169db4bc1ac |
1554162368940 has 180 divisors, whose sum is σ = 5179128647616. Its totient is φ = 390064163328.
The previous prime is 1554162368917. The next prime is 1554162368947. The reversal of 1554162368940 is 498632614551.
1554162368940 is a `hidden beast` number, since 1 + 5 + 5 + 4 + 1 + 623 + 6 + 8 + 9 + 4 + 0 = 666.
It is a tau number, because it is divible by the number of its divisors (180).
It is a Harshad number since it is a multiple of its sum of digits (54).
It is not an unprimeable number, because it can be changed into a prime (1554162368947) by changing a digit.
It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1191612 + ... + 2127971.
Almost surely, 21554162368940 is an apocalyptic number.
1554162368940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1554162368940 is an abundant number, since it is smaller than the sum of its proper divisors (3624966278676).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1554162368940 is a wasteful number, since it uses less digits than its factorization.
1554162368940 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3319638 (or 3319610 counting only the distinct ones).
The product of its (nonzero) digits is 6220800, while the sum is 54.
The spelling of 1554162368940 in words is "one trillion, five hundred fifty-four billion, one hundred sixty-two million, three hundred sixty-eight thousand, nine hundred forty".
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