| Base | Representation |
|---|---|
| bin | 100010011101110… |
| … | …1101110111010000 |
| 3 | 2222121011112200000 |
| 4 | 1010323231313100 |
| 5 | 4332031130130 |
| 6 | 310431530000 |
| 7 | 40442062545 |
| oct | 10473556720 |
| 9 | 2877145600 |
| 10 | 1156505040 |
| 11 | 5438a9399 |
| 12 | 283389900 |
| 13 | 1557a5c12 |
| 14 | ad84abcc |
| 15 | 6b7e8260 |
| hex | 44eeddd0 |
1156505040 has 240 divisors, whose sum is σ = 4128860736. Its totient is φ = 300672000.
The previous prime is 1156505027. The next prime is 1156505047. The reversal of 1156505040 is 405056511.
It is a happy number.
1156505040 is a `hidden beast` number, since 1 + 1 + 5 + 650 + 5 + 0 + 4 + 0 = 666.
It is a tau number, because it is divible by the number of its divisors (240).
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 1156504995 and 1156505013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1156505047) by changing a digit.
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 47 ways as a sum of consecutive naturals, for example, 796315 + ... + 797765.
Almost surely, 21156505040 is an apocalyptic number.
1156505040 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 1156505040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2064430368).
1156505040 is an abundant number, since it is smaller than the sum of its proper divisors (2972355696).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1156505040 is a wasteful number, since it uses less digits than its factorization.
1156505040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1520 (or 1502 counting only the distinct ones).
The product of its (nonzero) digits is 3000, while the sum is 27.
The square root of 1156505040 is about 34007.4262478065. The cubic root of 1156505040 is about 1049.6612784980.
The spelling of 1156505040 in words is "one billion, one hundred fifty-six million, five hundred five thousand, forty".
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