| Base | Representation |
|---|---|
| bin | 100010100111010… |
| … | …1110010010000000 |
| 3 | 2222221112200022010 |
| 4 | 1011032232102000 |
| 5 | 4334320044423 |
| 6 | 311130412520 |
| 7 | 40532323620 |
| oct | 10516562200 |
| 9 | 2887480263 |
| 10 | 1161487488 |
| 11 | 5466a1817 |
| 12 | 284b91140 |
| 13 | 15682ba05 |
| 14 | b0386880 |
| 15 | 6be7e693 |
| hex | 453ae480 |
1161487488 has 128 divisors (see below), whose sum is σ = 3679441920. Its totient is φ = 317408256.
The previous prime is 1161487487. The next prime is 1161487489. The reversal of 1161487488 is 8847841611.
It is an interprime number because it is at equal distance from previous prime (1161487487) and next prime (1161487489).
It is a tau number, because it is divible by the number of its divisors (128).
It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a nude number because it is divisible by every one of its digits.
It is not an unprimeable number, because it can be changed into a prime (1161487487) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52431 + ... + 71217.
It is an arithmetic number, because the mean of its divisors is an integer number (28745640).
Almost surely, 21161487488 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1161487488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1839720960).
1161487488 is an abundant number, since it is smaller than the sum of its proper divisors (2517954432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1161487488 is a wasteful number, since it uses less digits than its factorization.
1161487488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18834 (or 18822 counting only the distinct ones).
The product of its digits is 344064, while the sum is 48.
The square root of 1161487488 is about 34080.6028115701. The cubic root of 1161487488 is about 1051.1665004186.
The spelling of 1161487488 in words is "one billion, one hundred sixty-one million, four hundred eighty-seven thousand, four hundred eighty-eight".
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