| Base | Representation |
|---|---|
| bin | 10000111001110101001… |
| … | …000000000110001111100 |
| 3 | 11010001022100000012220000 |
| 4 | 100321311020000301330 |
| 5 | 123012432142021130 |
| 6 | 2245345020154300 |
| 7 | 146631453553215 |
| oct | 20716510006174 |
| 9 | 4101270005800 |
| 10 | 1161606204540 |
| 11 | 4086a8468321 |
| 12 | 169163698990 |
| 13 | 85701231342 |
| 14 | 403173c840c |
| 15 | 2033922b260 |
| hex | 10e75200c7c |
1161606204540 has 240 divisors, whose sum is σ = 3925000168320. Its totient is φ = 286633468800.
The previous prime is 1161606204487. The next prime is 1161606204557. The reversal of 1161606204540 is 454026061611.
1161606204540 is a `hidden beast` number, since 1 + 1 + 6 + 1 + 606 + 2 + 0 + 4 + 5 + 40 = 666.
It is a super-2 number, since 2×11616062045402 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 1161606204495 and 1161606204504.
It is a congruent number.
It is an unprimeable number.
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 79 ways as a sum of consecutive naturals, for example, 884715 + ... + 1762365.
It is an arithmetic number, because the mean of its divisors is an integer number (16354167368).
Almost surely, 21161606204540 is an apocalyptic number.
1161606204540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1161606204540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1962500084160).
1161606204540 is an abundant number, since it is smaller than the sum of its proper divisors (2763393963780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1161606204540 is a wasteful number, since it uses less digits than its factorization.
1161606204540 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 877734 (or 877723 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 36.
The spelling of 1161606204540 in words is "one trillion, one hundred sixty-one billion, six hundred six million, two hundred four thousand, five hundred forty".
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