Base | Representation |
---|---|
bin | 10001101110011… |
… | …10111101010001 |
3 | 101100210120211002 |
4 | 20313032331101 |
5 | 301031300123 |
6 | 22431031345 |
7 | 3453621461 |
oct | 1067167521 |
9 | 340716732 |
10 | 148696913 |
11 | 76a32212 |
12 | 4196b555 |
13 | 24a63a51 |
14 | 15a69ba1 |
15 | d0c3528 |
hex | 8dcef51 |
148696913 has 4 divisors (see below), whose sum is σ = 149609328. Its totient is φ = 147784500.
The previous prime is 148696897. The next prime is 148696927. The reversal of 148696913 is 319696841.
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, and also an emirpimes, since its reverse is a distinct semiprime: 319696841 = 29 ⋅11024029.
It is a cyclic number.
It is not a de Polignac number, because 148696913 - 24 = 148696897 is a prime.
It is a super-2 number, since 2×1486969132 = 44221543871459138, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (148699913) 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, 455963 + ... + 456288.
It is an arithmetic number, because the mean of its divisors is an integer number (37402332).
Almost surely, 2148696913 is an apocalyptic number.
It is an amenable number.
148696913 is a deficient number, since it is larger than the sum of its proper divisors (912415).
148696913 is an equidigital number, since it uses as much as digits as its factorization.
148696913 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 912414.
The product of its digits is 279936, while the sum is 47.
The square root of 148696913 is about 12194.1343686217. The cubic root of 148696913 is about 529.7862113895.
The spelling of 148696913 in words is "one hundred forty-eight million, six hundred ninety-six thousand, nine hundred thirteen".
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