Base | Representation |
---|---|
bin | 10110001111000000… |
… | …00011010010010000 |
3 | 1010210220120120012220 |
4 | 23013200003102100 |
5 | 143421333041030 |
6 | 5252255221040 |
7 | 601544563653 |
oct | 130740032220 |
9 | 33726516186 |
10 | 11937002640 |
11 | 5076143842 |
12 | 2391817780 |
13 | 11830a8494 |
14 | 8134dd89a |
15 | 49ce79a10 |
hex | 2c7803490 |
11937002640 has 80 divisors (see below), whose sum is σ = 37019374656. Its totient is φ = 3181939200.
The previous prime is 11937002639. The next prime is 11937002653. The reversal of 11937002640 is 4620073911.
It is a tau number, because it is divible by the number of its divisors (80).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 704670 + ... + 721410.
Almost surely, 211937002640 is an apocalyptic number.
11937002640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
11937002640 is an abundant number, since it is smaller than the sum of its proper divisors (25082372016).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11937002640 is a wasteful number, since it uses less digits than its factorization.
11937002640 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19728 (or 19722 counting only the distinct ones).
The product of its (nonzero) digits is 9072, while the sum is 33.
The spelling of 11937002640 in words is "eleven billion, nine hundred thirty-seven million, two thousand, six hundred forty".
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