Base | Representation |
---|---|
bin | 10101111000001101… |
… | …10010100011100001 |
3 | 1010022120212001012212 |
4 | 22330012302203201 |
5 | 143023413044022 |
6 | 5221305531505 |
7 | 564033626435 |
oct | 127406624341 |
9 | 33276761185 |
10 | 11745831137 |
11 | 4a88240867 |
12 | 23397a3b95 |
13 | 11525c2751 |
14 | 7d5d789c5 |
15 | 48b2b63e2 |
hex | 2bc1b28e1 |
11745831137 has 4 divisors (see below), whose sum is σ = 11759505840. Its totient is φ = 11732156436.
The previous prime is 11745831091. The next prime is 11745831151. The reversal of 11745831137 is 73113854711.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 11745831137 - 26 = 11745831073 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 11745831094 and 11745831103.
It is not an unprimeable number, because it can be changed into a prime (11745831157) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6836063 + ... + 6837780.
It is an arithmetic number, because the mean of its divisors is an integer number (2939876460).
Almost surely, 211745831137 is an apocalyptic number.
It is an amenable number.
11745831137 is a deficient number, since it is larger than the sum of its proper divisors (13674703).
11745831137 is an equidigital number, since it uses as much as digits as its factorization.
11745831137 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13674702.
The product of its digits is 70560, while the sum is 41.
The spelling of 11745831137 in words is "eleven billion, seven hundred forty-five million, eight hundred thirty-one thousand, one hundred thirty-seven".
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