Base | Representation |
---|---|
bin | 11101001101010… |
… | …000000011101111 |
3 | 1021011001020100100 |
4 | 131031100003233 |
5 | 2000420403121 |
6 | 120342402143 |
7 | 15100020033 |
oct | 3515200357 |
9 | 1234036310 |
10 | 490012911 |
11 | 231665a53 |
12 | 118130353 |
13 | 7a69938b |
14 | 491161c3 |
15 | 2d044026 |
hex | 1d3500ef |
490012911 has 12 divisors (see below), whose sum is σ = 711466288. Its totient is φ = 324981504.
The previous prime is 490012909. The next prime is 490012933. The reversal of 490012911 is 119210094.
It is not a de Polignac number, because 490012911 - 21 = 490012909 is a prime.
It is a super-2 number, since 2×4900129112 = 480225305893387842, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (490012111) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139315 + ... + 142788.
Almost surely, 2490012911 is an apocalyptic number.
490012911 is a deficient number, since it is larger than the sum of its proper divisors (221453377).
490012911 is a wasteful number, since it uses less digits than its factorization.
490012911 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 282302 (or 282299 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 27.
The square root of 490012911 is about 22136.2352490210. The cubic root of 490012911 is about 788.3804405289.
The spelling of 490012911 in words is "four hundred ninety million, twelve thousand, nine hundred eleven".
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