Base | Representation |
---|---|
bin | 10101000010111100… |
… | …01110011110100110 |
3 | 1002011110001011101202 |
4 | 22201132032132212 |
5 | 141120020134430 |
6 | 5105104322502 |
7 | 546666554531 |
oct | 124136163646 |
9 | 32143034352 |
10 | 11298989990 |
11 | 4878a92462 |
12 | 2234013432 |
13 | 10b0b607c2 |
14 | 79289da18 |
15 | 461e4dd45 |
hex | 2a178e7a6 |
11298989990 has 32 divisors (see below), whose sum is σ = 21614097024. Its totient is φ = 4238023680.
The previous prime is 11298989983. The next prime is 11298989993. The reversal of 11298989990 is 9998989211.
It is a super-3 number, since 3×112989899903 (a number of 31 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11298989993) 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, 76559 + ... + 168698.
It is an arithmetic number, because the mean of its divisors is an integer number (675440532).
Almost surely, 211298989990 is an apocalyptic number.
11298989990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
11298989990 is a deficient number, since it is larger than the sum of its proper divisors (10315107034).
11298989990 is a wasteful number, since it uses less digits than its factorization.
11298989990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 245552.
The product of its (nonzero) digits is 7558272, while the sum is 65.
The spelling of 11298989990 in words is "eleven billion, two hundred ninety-eight million, nine hundred eighty-nine thousand, nine hundred ninety".
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