| Base | Representation |
|---|---|
| bin | 1101101111101110100011… |
| … | …1100010001011100100100 |
| 3 | 1222111211211222112211212100 |
| 4 | 3123323220330101130210 |
| 5 | 3440110124340432130 |
| 6 | 52051032101252100 |
| 7 | 3116631113242464 |
| oct | 333735074213444 |
| 9 | 58454758484770 |
| 10 | 15113603061540 |
| 11 | 48a7708a100a5 |
| 12 | 184114b104030 |
| 13 | 85828c02c159 |
| 14 | 3a3706403ba4 |
| 15 | 1b3215c25c60 |
| hex | dbee8f11724 |
15113603061540 has 288 divisors, whose sum is σ = 48731893217280. Its totient is φ = 3784229342208.
The previous prime is 15113603061527. The next prime is 15113603061611. The reversal of 15113603061540 is 4516030631151.
15113603061540 is a `hidden beast` number, since 1 + 5 + 1 + 1 + 3 + 6 + 0 + 30 + 615 + 4 + 0 = 666.
It is a super-2 number, since 2×151136030615402 (a number of 27 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 = 15113603061495 and 15113603061504.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 402291837 + ... + 402329403.
It is an arithmetic number, because the mean of its divisors is an integer number (169207962560).
Almost surely, 215113603061540 is an apocalyptic number.
15113603061540 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 15113603061540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24365946608640).
15113603061540 is an abundant number, since it is smaller than the sum of its proper divisors (33618290155740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15113603061540 is a wasteful number, since it uses less digits than its factorization.
15113603061540 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39731 (or 39726 counting only the distinct ones).
The product of its (nonzero) digits is 32400, while the sum is 36.
Adding to 15113603061540 its reverse (4516030631151), we get a palindrome (19629633692691).
The spelling of 15113603061540 in words is "fifteen trillion, one hundred thirteen billion, six hundred three million, sixty-one thousand, five hundred forty".
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